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Critical Thinking in Science: Fostering Scientific Reasoning Skills in Students

ALI Staff | Published  July 13, 2023

Thinking like a scientist is a central goal of all science curricula.

As students learn facts, methodologies, and methods, what matters most is that all their learning happens through the lens of scientific reasoning what matters most is that it’s all through the lens of scientific reasoning.

That way, when it comes time for them to take on a little science themselves, either in the lab or by theoretically thinking through a solution, they understand how to do it in the right context.

One component of this type of thinking is being critical. Based on facts and evidence, critical thinking in science isn’t exactly the same as critical thinking in other subjects.

Students have to doubt the information they’re given until they can prove it’s right.

They have to truly understand what’s true and what’s hearsay. It’s complex, but with the right tools and plenty of practice, students can get it right.

What is critical thinking?

This particular style of thinking stands out because it requires reflection and analysis. Based on what's logical and rational, thinking critically is all about digging deep and going beyond the surface of a question to establish the quality of the question itself.

It ensures students put their brains to work when confronted with a question rather than taking every piece of information they’re given at face value.

It’s engaged, higher-level thinking that will serve them well in school and throughout their lives.

Why is critical thinking important?

Critical thinking is important when it comes to making good decisions.

It gives us the tools to think through a choice rather than quickly picking an option — and probably guessing wrong. Think of it as the all-important ‘why.’

Why is that true? Why is that right? Why is this the only option?

Finding answers to questions like these requires critical thinking. They require you to really analyze both the question itself and the possible solutions to establish validity.

Will that choice work for me? Does this feel right based on the evidence?

How does critical thinking in science impact students?

Critical thinking is essential in science.

It’s what naturally takes students in the direction of scientific reasoning since evidence is a key component of this style of thought.

It’s not just about whether evidence is available to support a particular answer but how valid that evidence is.

It’s about whether the information the student has fits together to create a strong argument and how to use verifiable facts to get a proper response.

Critical thinking in science helps students:

  • Actively evaluate information
  • Identify bias
  • Separate the logic within arguments
  • Analyze evidence

4 Ways to promote critical thinking

Figuring out how to develop critical thinking skills in science means looking at multiple strategies and deciding what will work best at your school and in your class.

Based on your student population, their needs and abilities, not every option will be a home run.

These particular examples are all based on the idea that for students to really learn how to think critically, they have to practice doing it. 

Each focuses on engaging students with science in a way that will motivate them to work independently as they hone their scientific reasoning skills.

Project-Based Learning

Project-based learning centers on critical thinking.

Teachers can shape a project around the thinking style to give students practice with evaluating evidence or other critical thinking skills.

Critical thinking also happens during collaboration, evidence-based thought, and reflection.

For example, setting students up for a research project is not only a great way to get them to think critically, but it also helps motivate them to learn.

Allowing them to pick the topic (that isn’t easy to look up online), develop their own research questions, and establish a process to collect data to find an answer lets students personally connect to science while using critical thinking at each stage of the assignment.

They’ll have to evaluate the quality of the research they find and make evidence-based decisions.

Self-Reflection

Adding a question or two to any lab practicum or activity requiring students to pause and reflect on what they did or learned also helps them practice critical thinking.

At this point in an assignment, they’ll pause and assess independently. 

You can ask students to reflect on the conclusions they came up with for a completed activity, which really makes them think about whether there's any bias in their answer.

Addressing Assumptions

One way critical thinking aligns so perfectly with scientific reasoning is that it encourages students to challenge all assumptions. 

Evidence is king in the science classroom, but even when students work with hard facts, there comes the risk of a little assumptive thinking.

Working with students to identify assumptions in existing research or asking them to address an issue where they suspend their own judgment and simply look at established facts polishes their that critical eye.

They’re getting practice without tossing out opinions, unproven hypotheses, and speculation in exchange for real data and real results, just like a scientist has to do.

Lab Activities With Trial-And-Error

Another component of critical thinking (as well as thinking like a scientist) is figuring out what to do when you get something wrong.

Backtracking can mean you have to rethink a process, redesign an experiment, or reevaluate data because the outcomes don’t make sense, but it’s okay.

The ability to get something wrong and recover is not only a valuable life skill, but it’s where most scientific breakthroughs start. Reminding students of this is always a valuable lesson.

Labs that include comparative activities are one way to increase critical thinking skills, especially when introducing new evidence that might cause students to change their conclusions once the lab has begun.

For example, you provide students with two distinct data sets and ask them to compare them.

With only two choices, there are a finite amount of conclusions to draw, but then what happens when you bring in a third data set? Will it void certain conclusions? Will it allow students to make new conclusions, ones even more deeply rooted in evidence?

Thinking like a scientist

When students get the opportunity to think critically, they’re learning to trust the data over their ‘gut,’ to approach problems systematically and make informed decisions using ‘good’ evidence.

When practiced enough, this ability will engage students in science in a whole new way, providing them with opportunities to dig deeper and learn more.

It can help enrich science and motivate students to approach the subject just like a professional would.

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Scientific Thinking and Critical Thinking in Science Education 

Two Distinct but Symbiotically Related Intellectual Processes

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  • Published: 05 September 2023

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how are critical thinking and science related

  • Antonio García-Carmona   ORCID: orcid.org/0000-0001-5952-0340 1  

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Scientific thinking and critical thinking are two intellectual processes that are considered keys in the basic and comprehensive education of citizens. For this reason, their development is also contemplated as among the main objectives of science education. However, in the literature about the two types of thinking in the context of science education, there are quite frequent allusions to one or the other indistinctly to refer to the same cognitive and metacognitive skills, usually leaving unclear what are their differences and what are their common aspects. The present work therefore was aimed at elucidating what the differences and relationships between these two types of thinking are. The conclusion reached was that, while they differ in regard to the purposes of their application and some skills or processes, they also share others and are related symbiotically in a metaphorical sense; i.e., each one makes sense or develops appropriately when it is nourished or enriched by the other. Finally, an orientative proposal is presented for an integrated development of the two types of thinking in science classes.

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Avoid common mistakes on your manuscript.

Education is not the learning of facts, but the training of the mind to think. Albert Einstein

1 Introduction

In consulting technical reports, theoretical frameworks, research, and curricular reforms related to science education, one commonly finds appeals to scientific thinking and critical thinking as essential educational processes or objectives. This is confirmed in some studies that include exhaustive reviews of the literature in this regard such as those of Bailin ( 2002 ), Costa et al. ( 2020 ), and Santos ( 2017 ) on critical thinking, and of Klarh et al. ( 2019 ) and Lehrer and Schauble ( 2006 ) on scientific thinking. However, conceptualizing and differentiating between both types of thinking based on the above-mentioned documents of science education are generally difficult. In many cases, they are referred to without defining them, or they are used interchangeably to represent virtually the same thing. Thus, for example, the document A Framework for K-12 Science Education points out that “Critical thinking is required, whether in developing and refining an idea (an explanation or design) or in conducting an investigation” (National Research Council (NRC), 2012 , p. 46). The same document also refers to scientific thinking when it suggests that basic scientific education should “provide students with opportunities for a range of scientific activities and scientific thinking , including, but not limited to inquiry and investigation, collection and analysis of evidence, logical reasoning, and communication and application of information” (NRC, 2012 , p. 251).

A few years earlier, the report Science Teaching in Schools in Europe: Policies and Research (European Commission/Eurydice, 2006 ) included the dimension “scientific thinking” as part of standardized national science tests in European countries. This dimension consisted of three basic abilities: (i) to solve problems formulated in theoretical terms , (ii) to frame a problem in scientific terms , and (iii) to formulate scientific hypotheses . In contrast, critical thinking was not even mentioned in such a report. However, in subsequent similar reports by the European Commission/Eurydice ( 2011 , 2022 ), there are some references to the fact that the development of critical thinking should be a basic objective of science teaching, although these reports do not define it at any point.

The ENCIENDE report on early-year science education in Spain also includes an explicit allusion to critical thinking among its recommendations: “Providing students with learning tools means helping them to develop critical thinking , to form their own opinions, to distinguish between knowledge founded on the evidence available at a certain moment (evidence which can change) and unfounded beliefs” (Confederation of Scientific Societies in Spain (COSCE), 2011 , p. 62). However, the report makes no explicit mention to scientific thinking. More recently, the document “ Enseñando ciencia con ciencia ” (Teaching science with science) (Couso et al., 2020 ), sponsored by Spain’s Ministry of Education, also addresses critical thinking:

(…) with the teaching approach through guided inquiry students learn scientific content, learn to do science (procedures), learn what science is and how it is built, and this (...) helps to develop critical thinking , that is, to question any statement that is not supported by evidence. (Couso et al., 2020 , p. 54)

On the other hand, in referring to what is practically the same thing, the European report Science Education for Responsible Citizenship speaks of scientific thinking when it establishes that one of the challenges of scientific education should be: “To promote a culture of scientific thinking and inspire citizens to use evidence-based reasoning for decision making” (European Commission, 2015 , p. 14). However, the Pisa 2024 Strategic Vision and Direction for Science report does not mention scientific thinking but does mention critical thinking in noting that “More generally, (students) should be able to recognize the limitations of scientific inquiry and apply critical thinking when engaging with its results” (Organization for Economic Co-operation and Development (OECD), 2020 , p. 9).

The new Spanish science curriculum for basic education (Royal Decree 217/ 2022 ) does make explicit reference to scientific thinking. For example, one of the STEM (Science, Technology, Engineering, and Mathematics) competency descriptors for compulsory secondary education reads:

Use scientific thinking to understand and explain the phenomena that occur around them, trusting in knowledge as a motor for development, asking questions and checking hypotheses through experimentation and inquiry (...) showing a critical attitude about the scope and limitations of science. (p. 41,599)

Furthermore, when developing the curriculum for the subjects of physics and chemistry, the same provision clarifies that “The essence of scientific thinking is to understand what are the reasons for the phenomena that occur in the natural environment to then try to explain them through the appropriate laws of physics and chemistry” (Royal Decree 217/ 2022 , p. 41,659). However, within the science subjects (i.e., Biology and Geology, and Physics and Chemistry), critical thinking is not mentioned as such. Footnote 1 It is only more or less directly alluded to with such expressions as “critical analysis”, “critical assessment”, “critical reflection”, “critical attitude”, and “critical spirit”, with no attempt to conceptualize it as is done with regard to scientific thinking.

The above is just a small sample of the concepts of scientific thinking and critical thinking only being differentiated in some cases, while in others they are presented as interchangeable, using one or the other indistinctly to talk about the same cognitive/metacognitive processes or practices. In fairness, however, it has to be acknowledged—as said at the beginning—that it is far from easy to conceptualize these two types of thinking (Bailin, 2002 ; Dwyer et al., 2014 ; Ennis, 2018 ; Lehrer & Schauble, 2006 ; Kuhn, 1993 , 1999 ) since they feed back on each other, partially overlap, and share certain features (Cáceres et al., 2020 ; Vázquez-Alonso & Manassero-Mas, 2018 ). Neither is there unanimity in the literature on how to characterize each of them, and rarely have they been analyzed comparatively (e.g., Hyytinen et al., 2019 ). For these reasons, I believed it necessary to address this issue with the present work in order to offer some guidelines for science teachers interested in deepening into these two intellectual processes to promote them in their classes.

2 An Attempt to Delimit Scientific Thinking in Science Education

For many years, cognitive science has been interested in studying what scientific thinking is and how it can be taught in order to improve students’ science learning (Klarh et al., 2019 ; Zimmerman & Klarh, 2018 ). To this end, Kuhn et al. propose taking a characterization of science as argument (Kuhn, 1993 ; Kuhn et al., 2008 ). They argue that this is a suitable way of linking the activity of how scientists think with that of the students and of the public in general, since science is a social activity which is subject to ongoing debate, in which the construction of arguments plays a key role. Lehrer and Schauble ( 2006 ) link scientific thinking with scientific literacy, paying especial attention to the different images of science. According to those authors, these images would guide the development of the said literacy in class. The images of science that Leherer and Schauble highlight as characterizing scientific thinking are: (i) science-as-logical reasoning (role of domain-general forms of scientific reasoning, including formal logic, heuristic, and strategies applied in different fields of science), (ii) science-as-theory change (science is subject to permanent revision and change), and (iii) science-as-practice (scientific knowledge and reasoning are components of a larger set of activities that include rules of participation, procedural skills, epistemological knowledge, etc.).

Based on a literature review, Jirout ( 2020 ) defines scientific thinking as an intellectual process whose purpose is the intentional search for information about a phenomenon or facts by formulating questions, checking hypotheses, carrying out observations, recognizing patterns, and making inferences (a detailed description of all these scientific practices or competencies can be found, for example, in NRC, 2012 ; OECD, 2019 ). Therefore, for Jirout, the development of scientific thinking would involve bringing into play the basic science skills/practices common to the inquiry-based approach to learning science (García-Carmona, 2020 ; Harlen, 2014 ). For other authors, scientific thinking would include a whole spectrum of scientific reasoning competencies (Krell et al., 2022 ; Moore, 2019 ; Tytler & Peterson, 2004 ). However, these competences usually cover the same science skills/practices mentioned above. Indeed, a conceptual overlap between scientific thinking, scientific reasoning, and scientific inquiry is often found in science education goals (Krell et al., 2022 ). Although, according to Leherer and Schauble ( 2006 ), scientific thinking is a broader construct that encompasses the other two.

It could be said that scientific thinking is a particular way of searching for information using science practices Footnote 2 (Klarh et al., 2019 ; Zimmerman & Klarh, 2018 ; Vázquez-Alonso & Manassero-Mas, 2018 ). This intellectual process provides the individual with the ability to evaluate the robustness of evidence for or against a certain idea, in order to explain a phenomenon (Clouse, 2017 ). But the development of scientific thinking also requires metacognition processes. According to what Kuhn ( 2022 ) argues, metacognition is fundamental to the permanent control or revision of what an individual thinks and knows, as well as that of the other individuals with whom it interacts, when engaging in scientific practices. In short, scientific thinking demands a good connection between reasoning and metacognition (Kuhn, 2022 ). Footnote 3

From that perspective, Zimmerman and Klarh ( 2018 ) have synthesized a taxonomy categorizing scientific thinking, relating cognitive processes with the corresponding science practices (Table 1 ). It has to be noted that this taxonomy was prepared in line with the categorization of scientific practices proposed in the document A Framework for K-12 Science Education (NRC, 2012 ). This is why one needs to understand that, for example, the cognitive process of elaboration and refinement of hypotheses is not explicitly associated with the scientific practice of hypothesizing but only with the formulation of questions. Indeed, the K-12 Framework document does not establish hypothesis formulation as a basic scientific practice. Lederman et al. ( 2014 ) justify it by arguing that not all scientific research necessarily allows or requires the verification of hypotheses, for example, in cases of exploratory or descriptive research. However, the aforementioned document (NRC, 2012 , p. 50) does refer to hypotheses when describing the practice of developing and using models , appealing to the fact that they facilitate the testing of hypothetical explanations .

In the literature, there are also other interesting taxonomies characterizing scientific thinking for educational purposes. One of them is that of Vázquez-Alonso and Manassero-Mas ( 2018 ) who, instead of science practices, refer to skills associated with scientific thinking . Their characterization basically consists of breaking down into greater detail the content of those science practices that would be related to the different cognitive and metacognitive processes of scientific thinking. Also, unlike Zimmerman and Klarh’s ( 2018 ) proposal, Vázquez-Alonso and Manassero-Mas’s ( 2018 ) proposal explicitly mentions metacognition as one of the aspects of scientific thinking, which they call meta-process . In my opinion, the proposal of the latter authors, which shells out scientific thinking into a broader range of skills/practices, can be more conducive in order to favor its approach in science classes, as teachers would have more options to choose from to address components of this intellectual process depending on their teaching interests, the educational needs of their students and/or the learning objectives pursued. Table 2 presents an adapted characterization of the Vázquez-Alonso and Manassero-Mas’s ( 2018 ) proposal to address scientific thinking in science education.

3 Contextualization of Critical Thinking in Science Education

Theorization and research about critical thinking also has a long tradition in the field of the psychology of learning (Ennis, 2018 ; Kuhn, 1999 ), and its application extends far beyond science education (Dwyer et al., 2014 ). Indeed, the development of critical thinking is commonly accepted as being an essential goal of people’s overall education (Ennis, 2018 ; Hitchcock, 2017 ; Kuhn, 1999 ; Willingham, 2008 ). However, its conceptualization is not simple and there is no unanimous position taken on it in the literature (Costa et al., 2020 ; Dwyer et al., 2014 ); especially when trying to relate it to scientific thinking. Thus, while Tena-Sánchez and León-Medina ( 2022 ) Footnote 4 and McBain et al. ( 2020 ) consider critical thinking to be the basis of or forms part of scientific thinking, Dowd et al. ( 2018 ) understand scientific thinking to be just a subset of critical thinking. However, Vázquez-Alonso and Manassero-Mas ( 2018 ) do not seek to determine whether critical thinking encompasses scientific thinking or vice versa. They consider that both types of knowledge share numerous skills/practices and the progressive development of one fosters the development of the other as a virtuous circle of improvement. Other authors, such as Schafersman ( 1991 ), even go so far as to say that critical thinking and scientific thinking are the same thing. In addition, some views on the relationship between critical thinking and scientific thinking seem to be context-dependent. For example, Hyytine et al. ( 2019 ) point out that in the perspective of scientific thinking as a component of critical thinking, the former is often used to designate evidence-based thinking in the sciences, although this view tends to dominate in Europe but not in the USA context. Perhaps because of this lack of consensus, the two types of thinking are often confused, overlapping, or conceived as interchangeable in education.

Even with such a lack of unanimous or consensus vision, there are some interesting theoretical frameworks and definitions for the development of critical thinking in education. One of the most popular definitions of critical thinking is that proposed by The National Council for Excellence in Critical Thinking (1987, cited in Inter-American Teacher Education Network, 2015 , p. 6). This conceives of it as “the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication, as a guide to belief and action”. In other words, critical thinking can be regarded as a reflective and reasonable class of thinking that provides people with the ability to evaluate multiple statements or positions that are defensible to then decide which is the most defensible (Clouse, 2017 ; Ennis, 2018 ). It thus requires, in addition to a basic scientific competency, notions about epistemology (Kuhn, 1999 ) to understand how knowledge is constructed. Similarly, it requires skills for metacognition (Hyytine et al., 2019 ; Kuhn, 1999 ; Magno, 2010 ) since critical thinking “entails awareness of one’s own thinking and reflection on the thinking of self and others as objects of cognition” (Dean & Kuhn, 2003 , p. 3).

In science education, one of the most suitable scenarios or resources, but not the only one, Footnote 5 to address all these aspects of critical thinking is through the analysis of socioscientific issues (SSI) (Taylor et al., 2006 ; Zeidler & Nichols, 2009 ). Without wishing to expand on this here, I will only say that interesting works can be found in the literature that have analyzed how the discussion of SSIs can favor the development of critical thinking skills (see, e.g., López-Fernández et al., 2022 ; Solbes et al., 2018 ). For example, López-Fernández et al. ( 2022 ) focused their teaching-learning sequence on the following critical thinking skills: information analysis, argumentation, decision making, and communication of decisions. Even some authors add the nature of science (NOS) to this framework (i.e., SSI-NOS-critical thinking), as, for example, Yacoubian and Khishfe ( 2018 ) in order to develop critical thinking and how this can also favor the understanding of NOS (Yacoubian, 2020 ). In effect, as I argued in another work on the COVID-19 pandemic as an SSI, in which special emphasis was placed on critical thinking, an informed understanding of how science works would have helped the public understand why scientists were changing their criteria to face the pandemic in the light of new data and its reinterpretations, or that it was not possible to go faster to get an effective and secure medical treatment for the disease (García-Carmona, 2021b ).

In the recent literature, there have also been some proposals intended to characterize critical thinking in the context of science education. Table 3 presents two of these by way of example. As can be seen, both proposals share various components for the development of critical thinking (respect for evidence, critically analyzing/assessing the validity/reliability of information, adoption of independent opinions/decisions, participation, etc.), but that of Blanco et al. ( 2017 ) is more clearly contextualized in science education. Likewise, that of these authors includes some more aspects (or at least does so more explicitly), such as developing epistemological Footnote 6 knowledge of science (vision of science…) and on its interactions with technology, society, and environment (STSA relationships), and communication skills. Therefore, it offers a wider range of options for choosing critical thinking skills/processes to promote it in science classes. However, neither proposal refers to metacognitive skills, which are also essential for developing critical thinking (Kuhn, 1999 ).

3.1 Critical thinking vs. scientific thinking in science education: differences and similarities

In accordance with the above, it could be said that scientific thinking is nourished by critical thinking, especially when deciding between several possible interpretations and explanations of the same phenomenon since this generally takes place in a context of debate in the scientific community (Acevedo-Díaz & García-Carmona, 2017 ). Thus, the scientific attitude that is perhaps most clearly linked to critical thinking is the skepticism with which scientists tend to welcome new ideas (Normand, 2008 ; Sagan, 1987 ; Tena-Sánchez and León-Medina, 2022 ), especially if they are contrary to well-established scientific knowledge (Bell, 2009 ). A good example of this was the OPERA experiment (García-Carmona & Acevedo-Díaz, 2016a ), which initially seemed to find that neutrinos could move faster than the speed of light. This finding was supposed to invalidate Albert Einstein’s theory of relativity (the finding was later proved wrong). In response, Nobel laureate in physics Sheldon L. Glashow went so far as to state that:

the result obtained by the OPERA collaboration cannot be correct. If it were, we would have to give up so many things, it would be such a huge sacrifice... But if it is, I am officially announcing it: I will shout to Mother Nature: I’m giving up! And I will give up Physics. (BBVA Foundation, 2011 )

Indeed, scientific thinking is ultimately focused on getting evidence that may support an idea or explanation about a phenomenon, and consequently allow others that are less convincing or precise to be discarded. Therefore when, with the evidence available, science has more than one equally defensible position with respect to a problem, the investigation is considered inconclusive (Clouse, 2017 ). In certain cases, this gives rise to scientific controversies (Acevedo-Díaz & García-Carmona, 2017 ) which are not always resolved based exclusively on epistemic or rational factors (Elliott & McKaughan, 2014 ; Vallverdú, 2005 ). Hence, it is also necessary to integrate non-epistemic practices into the framework of scientific thinking (García-Carmona, 2021a ; García-Carmona & Acevedo-Díaz, 2018 ), practices that transcend the purely rational or cognitive processes, including, for example, those related to emotional or affective issues (Sinatra & Hofer, 2021 ). From an educational point of view, this suggests that for students to become more authentically immersed in the way of working or thinking scientifically, they should also learn to feel as scientists do when they carry out their work (Davidson et al., 2020 ). Davidson et al. ( 2020 ) call it epistemic affect , and they suggest that it could be approach in science classes by teaching students to manage their frustrations when they fail to achieve the expected results; Footnote 7 or, for example, to moderate their enthusiasm with favorable results in a scientific inquiry by activating a certain skepticism that encourages them to do more testing. And, as mentioned above, for some authors, having a skeptical attitude is one of the actions that best visualize the application of critical thinking in the framework of scientific thinking (Normand, 2008 ; Sagan, 1987 ; Tena-Sánchez and León-Medina, 2022 ).

On the other hand, critical thinking also draws on many of the skills or practices of scientific thinking, as discussed above. However, in contrast to scientific thinking, the coexistence of two or more defensible ideas is not, in principle, a problem for critical thinking since its purpose is not so much to invalidate some ideas or explanations with respect to others, but rather to provide the individual with the foundations on which to position themself with the idea/argument they find most defensible among several that are possible (Ennis, 2018 ). For example, science with its methods has managed to explain the greenhouse effect, the phenomenon of the tides, or the transmission mechanism of the coronavirus. For this, it had to discard other possible explanations as they were less valid in the investigations carried out. These are therefore issues resolved by the scientific community which create hardly any discussion at the present time. However, taking a position for or against the production of energy in nuclear power plants transcends the scope of scientific thinking since both positions are, in principle, equally defensible. Indeed, within the scientific community itself there are supporters and detractors of the two positions, based on the same scientific knowledge. Consequently, it is critical thinking, which requires the management of knowledge and scientific skills, a basic understanding of epistemic (rational or cognitive) and non-epistemic (social, ethical/moral, economic, psychological, cultural, ...) aspects of the nature of science, as well as metacognitive skills, which helps the individual forge a personal foundation on which to position themself in one place or another, or maintain an uncertain, undecided opinion.

In view of the above, one can summarize that scientific thinking and critical thinking are two different intellectual processes in terms of purpose, but are related symbiotically (i.e., one would make no sense without the other or both feed on each other) and that, in their performance, they share a fair number of features, actions, or mental skills. According to Cáceres et al. ( 2020 ) and Hyytine et al. ( 2019 ), the intellectual skills that are most clearly common to both types of thinking would be searching for relationships between evidence and explanations , as well as investigating and logical thinking to make inferences . To this common space, I would also add skills for metacognition in accordance with what has been discussed about both types of knowledge (Khun, 1999 , 2022 ).

In order to compile in a compact way all that has been argued so far, in Table 4 , I present my overview of the relationship between scientific thinking and critical thinking. I would like to point out that I do not intend to be extremely extensive in the compilation, in the sense that possibly more elements could be added in the different sections, but rather to represent above all the aspects that distinguish and share them, as well as the mutual enrichment (or symbiosis) between them.

4 A Proposal for the Integrated Development of Critical Thinking and Scientific Thinking in Science Classes

Once the differences, common aspects, and relationships between critical thinking and scientific thinking have been discussed, it would be relevant to establish some type of specific proposal to foster them in science classes. Table 5 includes a possible script to address various skills or processes of both types of thinking in an integrated manner. However, before giving guidance on how such skills/processes could be approached, I would like to clarify that while all of them could be dealt within the context of a single school activity, I will not do so in this way. First, because I think that it can give the impression that the proposal is only valid if it is applied all at once in a specific learning situation, which can also discourage science teachers from implementing it in class due to lack of time or training to do so. Second, I think it can be more interesting to conceive the proposal as a set of thinking skills or actions that can be dealt with throughout the different science contents, selecting only (if so decided) some of them, according to educational needs or characteristics of the learning situation posed in each case. Therefore, in the orientations for each point of the script or grouping of these, I will use different examples and/or contexts. Likewise, these orientations in the form of comments, although founded in the literature, should be considered only as possibilities to do so, among many others possible.

Motivation and predisposition to reflect and discuss (point i ) demands, on the one hand, that issues are chosen which are attractive for the students. This can be achieved, for example, by asking the students directly what current issues, related to science and its impact or repercussions, they would like to learn about, and then decide on which issue to focus on (García-Carmona, 2008 ). Or the teacher puts forward the issue directly in class, trying for it be current, to be present in the media, social networks, etc., or what they think may be of interest to their students based on their teaching experience. In this way, each student is encouraged to feel questioned or concerned as a citizen because of the issue that is going to be addressed (García-Carmona, 2008 ). Also of possible interest is the analysis of contemporary, as yet unresolved socioscientific affairs (Solbes et al., 2018 ), such as climate change, science and social justice, transgenic foods, homeopathy, and alcohol and drug use in society. But also, everyday questions can be investigated which demand a decision to be made, such as “What car to buy?” (Moreno-Fontiveros et al., 2022 ), or “How can we prevent the arrival of another pandemic?” (Ushola & Puig, 2023 ).

On the other hand, it is essential that the discussion about the chosen issue is planned through an instructional process that generates an environment conducive to reflection and debate, with a view to engaging the students’ participation in it. This can be achieved, for example, by setting up a role-play game (Blanco-López et al., 2017 ), especially if the issue is socioscientific, or by critical and reflective reading of advertisements with scientific content (Campanario et al., 2001 ) or of science-related news in the daily media (García-Carmona, 2014 , 2021a ; Guerrero-Márquez & García-Carmona, 2020 ; Oliveras et al., 2013 ), etc., for subsequent discussion—all this, in a collaborative learning setting and with a clear democratic spirit.

Respect for scientific evidence (point ii ) should be the indispensable condition in any analysis and discussion from the prisms of scientific and of critical thinking (Erduran, 2021 ). Although scientific knowledge may be impregnated with subjectivity during its construction and is revisable in the light of new evidence ( tentativeness of scientific knowledge), when it is accepted by the scientific community it is as objective as possible (García-Carmona & Acevedo-Díaz, 2016b ). Therefore, promoting trust and respect for scientific evidence should be one of the primary educational challenges to combating pseudoscientists and science deniers (Díaz & Cabrera, 2022 ), whose arguments are based on false beliefs and assumptions, anecdotes, and conspiracy theories (Normand, 2008 ). Nevertheless, it is no simple task to achieve the promotion or respect for scientific evidence (Fackler, 2021 ) since science deniers, for example, consider that science is unreliable because it is imperfect (McIntyre, 2021 ). Hence the need to promote a basic understanding of NOS (point iii ) as a fundamental pillar for the development of both scientific thinking and critical thinking. A good way to do this would be through explicit and reflective discussion about controversies from the history of science (Acevedo-Díaz & García-Carmona, 2017 ) or contemporary controversies (García-Carmona, 2021b ; García-Carmona & Acevedo-Díaz, 2016a ).

Also, with respect to point iii of the proposal, it is necessary to manage basic scientific knowledge in the development of scientific and critical thinking skills (Willingham, 2008 ). Without this, it will be impossible to develop a minimally serious and convincing argument on the issue being analyzed. For example, if one does not know the transmission mechanism of a certain disease, it is likely to be very difficult to understand or justify certain patterns of social behavior when faced with it. In general, possessing appropriate scientific knowledge on the issue in question helps to make the best interpretation of the data and evidence available on this issue (OECD, 2019 ).

The search for information from reliable sources, together with its analysis and interpretation (points iv to vi ), are essential practices both in purely scientific contexts (e.g., learning about the behavior of a given physical phenomenon from literature or through enquiry) and in the application of critical thinking (e.g., when one wishes to take a personal, but informed, position on a particular socio-scientific issue). With regard to determining the credibility of information with scientific content on the Internet, Osborne et al. ( 2022 ) propose, among other strategies, to check whether the source is free of conflicts of interest, i.e., whether or not it is biased by ideological, political or economic motives. Also, it should be checked whether the source and the author(s) of the information are sufficiently reputable.

Regarding the interpretation of data and evidence, several studies have shown the difficulties that students often have with this practice in the context of enquiry activities (e.g., Gobert et al., 2018 ; Kanari & Millar, 2004 ; Pols et al., 2021 ), or when analyzing science news in the press (Norris et al., 2003 ). It is also found that they have significant difficulties in choosing the most appropriate data to support their arguments in causal analyses (Kuhn & Modrek, 2022 ). However, it must be recognized that making interpretations or inferences from data is not a simple task; among other reasons, because their construction is influenced by multiple factors, both epistemic (prior knowledge, experimental designs, etc.) and non-epistemic (personal expectations, ideology, sociopolitical context, etc.), which means that such interpretations are not always the same for all scientists (García-Carmona, 2021a ; García-Carmona & Acevedo-Díaz, 2018 ). For this reason, the performance of this scientific practice constitutes one of the phases or processes that generate the most debate or discussion in a scientific community, as long as no consensus is reached. In order to improve the practice of making inferences among students, Kuhn and Lerman ( 2021 ) propose activities that help them develop their own epistemological norms to connect causally their statements with the available evidence.

Point vii refers, on the one hand, to an essential scientific practice: the elaboration of evidence-based scientific explanations which generally, in a reasoned way, account for the causality, properties, and/or behavior of the phenomena (Brigandt, 2016 ). In addition, point vii concerns the practice of argumentation . Unlike scientific explanations, argumentation tries to justify an idea, explanation, or position with the clear purpose of persuading those who defend other different ones (Osborne & Patterson, 2011 ). As noted above, the complexity of most socioscientific issues implies that they have no unique valid solution or response. Therefore, the content of the arguments used to defend one position or another are not always based solely on purely rational factors such as data and scientific evidence. Some authors defend the need to also deal with non-epistemic aspects of the nature of science when teaching it (García-Carmona, 2021a ; García-Carmona & Acevedo-Díaz, 2018 ) since many scientific and socioscientific controversies are resolved by different factors or go beyond just the epistemic (Vallverdú, 2005 ).

To defend an idea or position taken on an issue, it is not enough to have scientific evidence that supports it. It is also essential to have skills for the communication and discussion of ideas (point viii ). The history of science shows how the difficulties some scientists had in communicating their ideas scientifically led to those ideas not being accepted at the time. A good example for students to become aware of this is the historical case of Semmelweis and puerperal fever (Aragón-Méndez et al., 2019 ). Its reflective reading makes it possible to conclude that the proposal of this doctor that gynecologists disinfect their hands, when passing from one parturient to another to avoid contagions that provoked the fever, was rejected by the medical community not only for epistemic reasons, but also for the difficulties that he had to communicate his idea. The history of science also reveals that some scientific interpretations were imposed on others at certain historical moments due to the rhetorical skills of their proponents although none of the explanations would convincingly explain the phenomenon studied. An example is the case of the controversy between Pasteur and Liebig about the phenomenon of fermentation (García-Carmona & Acevedo-Díaz, 2017 ), whose reading and discussion in science class would also be recommended in this context of this critical and scientific thinking skill. With the COVID-19 pandemic, for example, the arguments of some charlatans in the media and on social networks managed to gain a certain influence in the population, even though scientifically they were muddled nonsense (García-Carmona, 2021b ). Therefore, the reflective reading of news on current SSIs such as this also constitutes a good resource for the same educational purpose. In general, according to Spektor-Levy et al. ( 2009 ), scientific communication skills should be addressed explicitly in class, in a progressive and continuous manner, including tasks of information seeking, reading, scientific writing, representation of information, and representation of the knowledge acquired.

Finally (point ix ), a good scientific/critical thinker must be aware of what they know, of what they have doubts about or do not know, to this end continuously practicing metacognitive exercises (Dean & Kuhn, 2003 ; Hyytine et al., 2019 ; Magno, 2010 ; Willingham, 2008 ). At the same time, they must recognize the weaknesses and strengths of the arguments of their peers in the debate in order to be self-critical if necessary, as well as to revising their own ideas and arguments to improve and reorient them, etc. ( self-regulation ). I see one of the keys of both scientific and critical thinking being the capacity or willingness to change one’s mind, without it being frowned upon. Indeed, quite the opposite since one assumes it to occur thanks to the arguments being enriched and more solidly founded. In other words, scientific and critical thinking and arrogance or haughtiness towards the rectification of ideas or opinions do not stick well together.

5 Final Remarks

For decades, scientific thinking and critical thinking have received particular attention from different disciplines such as psychology, philosophy, pedagogy, and specific areas of this last such as science education. The two types of knowledge represent intellectual processes whose development in students, and in society in general, is considered indispensable for the exercise of responsible citizenship in accord with the demands of today’s society (European Commission, 2006 , 2015 ; NRC, 2012 ; OECD, 2020 ). As has been shown however, the task of their conceptualization is complex, and teaching students to think scientifically and critically is a difficult educational challenge (Willingham, 2008 ).

Aware of this, and after many years dedicated to science education, I felt the need to organize my ideas regarding the aforementioned two types of thinking. In consulting the literature about these, I found that, in many publications, scientific thinking and critical thinking are presented or perceived as being interchangeable or indistinguishable; a conclusion also shared by Hyytine et al. ( 2019 ). Rarely have their differences, relationships, or common features been explicitly studied. So, I considered that it was a matter needing to be addressed because, in science education, the development of scientific thinking is an inherent objective, but, when critical thinking is added to the learning objectives, there arise more than reasonable doubts about when one or the other would be used, or both at the same time. The present work came about motivated by this, with the intention of making a particular contribution, but based on the relevant literature, to advance in the question raised. This converges in conceiving scientific thinking and critical thinking as two intellectual processes that overlap and feed into each other in many aspects but are different with respect to certain cognitive skills and in terms of their purpose. Thus, in the case of scientific thinking, the aim is to choose the best possible explanation of a phenomenon based on the available evidence, and it therefore involves the rejection of alternative explanatory proposals that are shown to be less coherent or convincing. Whereas, from the perspective of critical thinking, the purpose is to choose the most defensible idea/option among others that are also defensible, using both scientific and extra-scientific (i.e., moral, ethical, political, etc.) arguments. With this in mind, I have described a proposal to guide their development in the classroom, integrating them under a conception that I have called, metaphorically, a symbiotic relationship between two modes of thinking.

Critical thinking is mentioned literally in other of the curricular provisions’ subjects such as in Education in Civics and Ethical Values or in Geography and History (Royal Decree 217/2022).

García-Carmona ( 2021a ) conceives of them as activities that require the comprehensive application of procedural skills, cognitive and metacognitive processes, and both scientific knowledge and knowledge of the nature of scientific practice .

Kuhn ( 2021 ) argues that the relationship between scientific reasoning and metacognition is especially fostered by what she calls inhibitory control , which basically consists of breaking down the whole of a thought into parts in such a way that attention is inhibited on some of those parts to allow a focused examination of the intended mental content.

Specifically, Tena-Sánchez and León-Medina (2020) assume that critical thinking is at the basis of rational or scientific skepticism that leads to questioning any claim that does not have empirical support.

As discussed in the introduction, the inquiry-based approach is also considered conducive to addressing critical thinking in science education (Couso et al., 2020 ; NRC, 2012 ).

Epistemic skills should not be confused with epistemological knowledge (García-Carmona, 2021a ). The former refers to skills to construct, evaluate, and use knowledge, and the latter to understanding about the origin, nature, scope, and limits of scientific knowledge.

For this purpose, it can be very useful to address in class, with the help of the history and philosophy of science, that scientists get more wrong than right in their research, and that error is always an opportunity to learn (García-Carmona & Acevedo-Díaz, 2018 ).

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Thinking critically on critical thinking: why scientists’ skills need to spread

how are critical thinking and science related

Lecturer in Psychology, University of Tasmania

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MATHS AND SCIENCE EDUCATION: We’ve asked our authors about the state of maths and science education in Australia and its future direction. Today, Rachel Grieve discusses why we need to spread science-specific skills into the wider curriculum.

When we think of science and maths, stereotypical visions of lab coats, test-tubes, and formulae often spring to mind.

But more important than these stereotypes are the methods that underpin the work scientists do – namely generating and systematically testing hypotheses. A key part of this is critical thinking.

It’s a skill that often feels in short supply these days, but you don’t necessarily need to study science or maths in order gain it. It’s time to take critical thinking out of the realm of maths and science and broaden it into students’ general education.

What is critical thinking?

Critical thinking is a reflective and analytical style of thinking, with its basis in logic, rationality, and synthesis. It means delving deeper and asking questions like: why is that so? Where is the evidence? How good is that evidence? Is this a good argument? Is it biased? Is it verifiable? What are the alternative explanations?

Critical thinking moves us beyond mere description and into the realms of scientific inference and reasoning. This is what enables discoveries to be made and innovations to be fostered.

For many scientists, critical thinking becomes (seemingly) intuitive, but like any skill set, critical thinking needs to be taught and cultivated. Unfortunately, educators are unable to deposit this information directly into their students’ heads. While the theory of critical thinking can be taught, critical thinking itself needs to be experienced first-hand.

So what does this mean for educators trying to incorporate critical thinking within their curricula? We can teach students the theoretical elements of critical thinking. Take for example working through [statistical problems](http://wdeneys.org/data/COGNIT_1695.pdf](http://wdeneys.org/data/COGNIT_1695.pdf) like this one:

In a 1,000-person study, four people said their favourite series was Star Trek and 996 said Days of Our Lives. Jeremy is a randomly chosen participant in this study, is 26, and is doing graduate studies in physics. He stays at home most of the time and likes to play videogames. What is most likely? a. Jeremy’s favourite series is Star Trek b. Jeremy’s favourite series is Days of Our Lives

Some critical thought applied to this problem allows us to know that Jeremy is most likely to prefer Days of Our Lives.

Can you teach it?

It’s well established that statistical training is associated with improved decision-making. But the idea of “teaching” critical thinking is itself an oxymoron: critical thinking can really only be learned through practice. Thus, it is not surprising that student engagement with the critical thinking process itself is what pays the dividends for students.

As such, educators try to connect students with the subject matter outside the lecture theatre or classroom. For example, problem based learning is now widely used in the health sciences, whereby students must figure out the key issues related to a case and direct their own learning to solve that problem. Problem based learning has clear parallels with real life practice for health professionals.

Critical thinking goes beyond what might be on the final exam and life-long learning becomes the key. This is a good thing, as practice helps to improve our ability to think critically over time .

Just for scientists?

For those engaging with science, learning the skills needed to be a critical consumer of information is invaluable. But should these skills remain in the domain of scientists? Clearly not: for those engaging with life, being a critical consumer of information is also invaluable, allowing informed judgement.

Being able to actively consider and evaluate information, identify biases, examine the logic of arguments, and tolerate ambiguity until the evidence is in would allow many people from all backgrounds to make better decisions. While these decisions can be trivial (does that miracle anti-wrinkle cream really do what it claims?), in many cases, reasoning and decision-making can have a substantial impact, with some decisions have life-altering effects. A timely case-in-point is immunisation.

Pushing critical thinking from the realms of science and maths into the broader curriculum may lead to far-reaching outcomes. With increasing access to information on the internet, giving individuals the skills to critically think about that information may have widespread benefit, both personally and socially.

The value of science education might not always be in the facts, but in the thinking.

This is the sixth part of our series Maths and Science Education .

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  • Stanford Encyclopedia of Philosophy - Critical Thinking
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critical thinking , in educational theory, mode of cognition using deliberative reasoning and impartial scrutiny of information to arrive at a possible solution to a problem. From the perspective of educators, critical thinking encompasses both a set of logical skills that can be taught and a disposition toward reflective open inquiry that can be cultivated . The term critical thinking was coined by American philosopher and educator John Dewey in the book How We Think (1910) and was adopted by the progressive education movement as a core instructional goal that offered a dynamic modern alternative to traditional educational methods such as rote memorization.

Critical thinking is characterized by a broad set of related skills usually including the abilities to

  • break down a problem into its constituent parts to reveal its underlying logic and assumptions
  • recognize and account for one’s own biases in judgment and experience
  • collect and assess relevant evidence from either personal observations and experimentation or by gathering external information
  • adjust and reevaluate one’s own thinking in response to what one has learned
  • form a reasoned assessment in order to propose a solution to a problem or a more accurate understanding of the topic at hand

Socrates

Theorists have noted that such skills are only valuable insofar as a person is inclined to use them. Consequently, they emphasize that certain habits of mind are necessary components of critical thinking. This disposition may include curiosity, open-mindedness, self-awareness, empathy , and persistence.

Although there is a generally accepted set of qualities that are associated with critical thinking, scholarly writing about the term has highlighted disagreements over its exact definition and whether and how it differs from related concepts such as problem solving . In addition, some theorists have insisted that critical thinking be regarded and valued as a process and not as a goal-oriented skill set to be used to solve problems. Critical-thinking theory has also been accused of reflecting patriarchal assumptions about knowledge and ways of knowing that are inherently biased against women.

Dewey, who also used the term reflective thinking , connected critical thinking to a tradition of rational inquiry associated with modern science. From the turn of the 20th century, he and others working in the overlapping fields of psychology , philosophy , and educational theory sought to rigorously apply the scientific method to understand and define the process of thinking. They conceived critical thinking to be related to the scientific method but more open, flexible, and self-correcting; instead of a recipe or a series of steps, critical thinking would be a wider set of skills, patterns, and strategies that allow someone to reason through an intellectual topic, constantly reassessing assumptions and potential explanations in order to arrive at a sound judgment and understanding.

In the progressive education movement in the United States , critical thinking was seen as a crucial component of raising citizens in a democratic society. Instead of imparting a particular series of lessons or teaching only canonical subject matter, theorists thought that teachers should train students in how to think. As critical thinkers, such students would be equipped to be productive and engaged citizens who could cooperate and rationally overcome differences inherent in a pluralistic society.

Beginning in the 1970s and ’80s, critical thinking as a key outcome of school and university curriculum leapt to the forefront of U.S. education policy. In an atmosphere of renewed Cold War competition and amid reports of declining U.S. test scores, there were growing fears that the quality of education in the United States was falling and that students were unprepared. In response, a concerted effort was made to systematically define curriculum goals and implement standardized testing regimens , and critical-thinking skills were frequently included as a crucially important outcome of a successful education. A notable event in this movement was the release of the 1980 report of the Rockefeller Commission on the Humanities that called for the U.S. Department of Education to include critical thinking on its list of “basic skills.” Three years later the California State University system implemented a policy that required every undergraduate student to complete a course in critical thinking.

Critical thinking continued to be put forward as a central goal of education in the early 21st century. Its ubiquity in the language of education policy and in such guidelines as the Common Core State Standards in the United States generated some criticism that the concept itself was both overused and ill-defined. In addition, an argument was made by teachers, theorists, and others that educators were not being adequately trained to teach critical thinking.

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Understanding the Complex Relationship between Critical Thinking and Science Reasoning among Undergraduate Thesis Writers

Affiliations.

  • 1 Department of Biology, Duke University, Durham, NC 27708 [email protected].
  • 2 Department of Psychology and Neuroscience, Duke University, Durham, NC 27708.
  • 3 Department of Microbiology and Immunology, University of Minnesota, Minneapolis, MN 55455.
  • 4 Department of Biology, Duke University, Durham, NC 27708.
  • PMID: 29326103
  • PMCID: PMC6007780
  • DOI: 10.1187/cbe.17-03-0052

Developing critical-thinking and scientific reasoning skills are core learning objectives of science education, but little empirical evidence exists regarding the interrelationships between these constructs. Writing effectively fosters students' development of these constructs, and it offers a unique window into studying how they relate. In this study of undergraduate thesis writing in biology at two universities, we examine how scientific reasoning exhibited in writing (assessed using the Biology Thesis Assessment Protocol) relates to general and specific critical-thinking skills (assessed using the California Critical Thinking Skills Test), and we consider implications for instruction. We find that scientific reasoning in writing is strongly related to inference , while other aspects of science reasoning that emerge in writing (epistemological considerations, writing conventions, etc.) are not significantly related to critical-thinking skills. Science reasoning in writing is not merely a proxy for critical thinking. In linking features of students' writing to their critical-thinking skills, this study 1) provides a bridge to prior work suggesting that engagement in science writing enhances critical thinking and 2) serves as a foundational step for subsequently determining whether instruction focused explicitly on developing critical-thinking skills (particularly inference ) can actually improve students' scientific reasoning in their writing.

© 2018 J. E. Dowd et al. CBE—Life Sciences Education © 2018 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).

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  • What Is Critical Thinking? | Definition & Examples

What Is Critical Thinking? | Definition & Examples

Published on May 30, 2022 by Eoghan Ryan . Revised on May 31, 2023.

Critical thinking is the ability to effectively analyze information and form a judgment .

To think critically, you must be aware of your own biases and assumptions when encountering information, and apply consistent standards when evaluating sources .

Critical thinking skills help you to:

  • Identify credible sources
  • Evaluate and respond to arguments
  • Assess alternative viewpoints
  • Test hypotheses against relevant criteria

Table of contents

Why is critical thinking important, critical thinking examples, how to think critically, other interesting articles, frequently asked questions about critical thinking.

Critical thinking is important for making judgments about sources of information and forming your own arguments. It emphasizes a rational, objective, and self-aware approach that can help you to identify credible sources and strengthen your conclusions.

Critical thinking is important in all disciplines and throughout all stages of the research process . The types of evidence used in the sciences and in the humanities may differ, but critical thinking skills are relevant to both.

In academic writing , critical thinking can help you to determine whether a source:

  • Is free from research bias
  • Provides evidence to support its research findings
  • Considers alternative viewpoints

Outside of academia, critical thinking goes hand in hand with information literacy to help you form opinions rationally and engage independently and critically with popular media.

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how are critical thinking and science related

Critical thinking can help you to identify reliable sources of information that you can cite in your research paper . It can also guide your own research methods and inform your own arguments.

Outside of academia, critical thinking can help you to be aware of both your own and others’ biases and assumptions.

Academic examples

However, when you compare the findings of the study with other current research, you determine that the results seem improbable. You analyze the paper again, consulting the sources it cites.

You notice that the research was funded by the pharmaceutical company that created the treatment. Because of this, you view its results skeptically and determine that more independent research is necessary to confirm or refute them. Example: Poor critical thinking in an academic context You’re researching a paper on the impact wireless technology has had on developing countries that previously did not have large-scale communications infrastructure. You read an article that seems to confirm your hypothesis: the impact is mainly positive. Rather than evaluating the research methodology, you accept the findings uncritically.

Nonacademic examples

However, you decide to compare this review article with consumer reviews on a different site. You find that these reviews are not as positive. Some customers have had problems installing the alarm, and some have noted that it activates for no apparent reason.

You revisit the original review article. You notice that the words “sponsored content” appear in small print under the article title. Based on this, you conclude that the review is advertising and is therefore not an unbiased source. Example: Poor critical thinking in a nonacademic context You support a candidate in an upcoming election. You visit an online news site affiliated with their political party and read an article that criticizes their opponent. The article claims that the opponent is inexperienced in politics. You accept this without evidence, because it fits your preconceptions about the opponent.

There is no single way to think critically. How you engage with information will depend on the type of source you’re using and the information you need.

However, you can engage with sources in a systematic and critical way by asking certain questions when you encounter information. Like the CRAAP test , these questions focus on the currency , relevance , authority , accuracy , and purpose of a source of information.

When encountering information, ask:

  • Who is the author? Are they an expert in their field?
  • What do they say? Is their argument clear? Can you summarize it?
  • When did they say this? Is the source current?
  • Where is the information published? Is it an academic article? Is it peer-reviewed ?
  • Why did the author publish it? What is their motivation?
  • How do they make their argument? Is it backed up by evidence? Does it rely on opinion, speculation, or appeals to emotion ? Do they address alternative arguments?

Critical thinking also involves being aware of your own biases, not only those of others. When you make an argument or draw your own conclusions, you can ask similar questions about your own writing:

  • Am I only considering evidence that supports my preconceptions?
  • Is my argument expressed clearly and backed up with credible sources?
  • Would I be convinced by this argument coming from someone else?

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Critical thinking refers to the ability to evaluate information and to be aware of biases or assumptions, including your own.

Like information literacy , it involves evaluating arguments, identifying and solving problems in an objective and systematic way, and clearly communicating your ideas.

Critical thinking skills include the ability to:

You can assess information and arguments critically by asking certain questions about the source. You can use the CRAAP test , focusing on the currency , relevance , authority , accuracy , and purpose of a source of information.

Ask questions such as:

  • Who is the author? Are they an expert?
  • How do they make their argument? Is it backed up by evidence?

A credible source should pass the CRAAP test  and follow these guidelines:

  • The information should be up to date and current.
  • The author and publication should be a trusted authority on the subject you are researching.
  • The sources the author cited should be easy to find, clear, and unbiased.
  • For a web source, the URL and layout should signify that it is trustworthy.

Information literacy refers to a broad range of skills, including the ability to find, evaluate, and use sources of information effectively.

Being information literate means that you:

  • Know how to find credible sources
  • Use relevant sources to inform your research
  • Understand what constitutes plagiarism
  • Know how to cite your sources correctly

Confirmation bias is the tendency to search, interpret, and recall information in a way that aligns with our pre-existing values, opinions, or beliefs. It refers to the ability to recollect information best when it amplifies what we already believe. Relatedly, we tend to forget information that contradicts our opinions.

Although selective recall is a component of confirmation bias, it should not be confused with recall bias.

On the other hand, recall bias refers to the differences in the ability between study participants to recall past events when self-reporting is used. This difference in accuracy or completeness of recollection is not related to beliefs or opinions. Rather, recall bias relates to other factors, such as the length of the recall period, age, and the characteristics of the disease under investigation.

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Ryan, E. (2023, May 31). What Is Critical Thinking? | Definition & Examples. Scribbr. Retrieved August 2, 2024, from https://www.scribbr.com/working-with-sources/critical-thinking/

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Scientific thinking and critical thinking in science education · Two distinct but symbiotically related intellectual processes

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The Classroom | Empowering Students in Their College Journey

The Relationship Between Scientific Method & Critical Thinking

Scott Neuffer

What Is the Function of the Hypothesis?

Critical thinking, that is the mind’s ability to analyze claims about the world, is the intellectual basis of the scientific method. The scientific method can be viewed as an extensive, structured mode of critical thinking that involves hypothesis, experimentation and conclusion.

Critical Thinking

Broadly speaking, critical thinking is any analytical thought aimed at determining the validity of a specific claim. It can be as simple as a nine-year-old questioning a parent’s claim that Santa Claus exists, or as complex as physicists questioning the relativity of space and time. Critical thinking is the point when the mind turns in opposition to an accepted truth and begins analyzing its underlying premises. As American philosopher John Dewey said, it is the “active, persistent and careful consideration of a belief or supposed form of knowledge in light of the grounds that support it, and the further conclusions to which it tends.”

Critical thinking initiates the act of hypothesis. In the scientific method, the hypothesis is the initial supposition, or theoretical claim about the world, based on questions and observations. If critical thinking asks the question, then the hypothesis is the best attempt at the time to answer the question using observable phenomenon. For example, an astrophysicist may question existing theories of black holes based on his own observation. He may posit a contrary hypothesis, arguing black holes actually produce white light. It is not a final conclusion, however, as the scientific method requires specific forms of verification.

Experimentation

The scientific method uses formal experimentation to analyze any hypothesis. The rigorous and specific methodology of experimentation is designed to gather unbiased empirical evidence that either supports or contradicts a given claim. Controlled variables are used to provide an objective basis of comparison. For example, researchers studying the effects of a certain drug may provide half the test population with a placebo pill and the other half with the real drug. The effects of the real drug can then be assessed relative to the control group.

In the scientific method, conclusions are drawn only after tested, verifiable evidence supports them. Even then, conclusions are subject to peer review and often retested before general consensus is reached. Thus, what begins as an act of critical thinking becomes, in the scientific method, a complex process of testing the validity of a claim. English philosopher Francis Bacon put it this way: “If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.”

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Scott Neuffer is an award-winning journalist and writer who lives in Nevada. He holds a bachelor's degree in English and spent five years as an education and business reporter for Sierra Nevada Media Group. His first collection of short stories, "Scars of the New Order," was published in 2014.

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Science, method and critical thinking

Antoine danchin.

1 School of Biomedical Sciences, Li KaShing Faculty of Medicine, Hong Kong University, Pokfulam Hong Kong, China

Science is founded on a method based on critical thinking. A prerequisite for this is not only a sufficient command of language but also the comprehension of the basic concepts underlying our understanding of reality. This constraint implies an awareness of the fact that the truth of the World is not directly accessible to us, but can only be glimpsed through the construction of models designed to anticipate its behaviour. Because the relationship between models and reality rests on the interpretation of founding postulates and instantiations of their predictions (and is therefore deeply rooted in language and culture), there can be no demarcation between science and non‐science. However, critical thinking is essential to ensure that the link between models and reality is gradually made more adequate to reality, based on what has already been established, thus guaranteeing that science progresses on this basis and excluding any form of relativism.

Science understands that we only can reach the truth of the World via creation of models. The method, based on critical thinking, is embedded in the scientific method, named here the Critical Generative Method.

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Before illustrating the key requirements for critical thinking, one point must be made clear from the outset: thinking involves using language, and the depth of thought is directly related to the ‘active’ vocabulary (Magyar,  1942 ) used by the thinker. A recent study of young students in France showed that a significant percentage of the population had a very limited vocabulary. This unfortunate situation is shared by many countries (Fournier & Rakocevic,  2023 ). This omnipresent fact, which precludes any attempt to improve critical thinking in the general population, is very visible in a great many texts published on social networks. This is the more concerning because science uses a vocabulary that lies well beyond that available to most people. For example, a word such as ‘metabolism’ is generally not understood. As a consequence, it is essential to agree on a minimal vocabulary before teaching paths to critical thinking. This may look trivial, but this is an essential prerequisite. Typically, words such as analysis and synthesis must be understood (and the idea of what a ‘concept’ is not widely shared). It must also be remembered that the way the scientific vocabulary kept creating neologisms in the most creative times of science was based on using the Ancient Greek language, and for a good reason: a considerable advantage of that unsaid rule is that this makes scientific objects and concepts prominent for scientists from all over the world, while precluding implicit domination by any country over the others when science is at stake (Iliopoulos et al.,  2019 ). Unfortunately, and this demonstrates how the domination of an ignorant subset of the research community gains ground, this rule is now seldom followed. This also highlights the lack of extensive scientific background of the majority of researchers: the creation of new words now follows the rule of the self‐assertive. Interestingly, the very observation that a neologism in a scientific paper does not follow the traditional rule provides us with a critical way to identify either ignorance of the scientific background of the work or the presence in the text of hidden agendas that have nothing to do with science.

In practice, the initiation of the process of critical thinking ought to begin with a step similar to the ‘due diligence’ required by investors when they study whether they will invest, or not, in a start‐up company. The first expected action should be ‘verify’, ‘verify’, ‘verify’… any statement which is used as a basis for the reasoning that follows. This asks not only for understanding what is said or written (hence the importance of language), but also for checking the origins of the statement, not only by investigating who is involved but also by checking that the historical context is well known.

Of course, nobody has complete knowledge of everything, not even anything in fact, which means that at some point people have to accept that they will base their reasoning on some kind of ‘belief’. This inevitable imperative forces future scientists asking a question about reality to resort to a set of assertions called ‘postulates’ in conventional science, that is, beliefs temporarily accepted without further discussion but understood as such. The way in which postulates are formulated is therefore key to their subsequent role in science. Similarly, the fact that they are temporary is essential to understanding their role. A fundamental feature of critical thinking is to be able to identify these postulates and then remember that they are provisional in nature. When needed this enables anyone to return to the origins of reasoning and then decide whether it is reasonable to retain the postulates or modify or even abandon them.

Here is an example illustrated with the famous greenhouse effect that allows our planet not to be a snowball (Arrhenius,  1896 ). Note that understanding this phenomenon requires a fair amount of basic physics, as well as a trait that is often forgotten: common sense. There is no doubt that carbon dioxide is a greenhouse gas (this is based on well‐established physics, which, nevertheless must be accepted as a postulate by the majority, as they would not be able to demonstrate that). However, a straightforward question arises, which is almost never asked in its proper details. There are many gases in the atmosphere, and the obvious preliminary question should be to ask what they all are, and each of their relative contribution to greenhouse effect. This is partially understood by a fraction of the general public as asking for the contribution of methane, and sometimes N 2 O and ozone. However, this is far from enough, because the gas which contributes the most to the greenhouse effect on our planet is … water vapour (about 60% of the total effect: https://www.acs.org/climatescience/climatesciencenarratives/its‐water‐vapor‐not‐the‐co2.html )! This fact is seldom highlighted. Yet it is extremely important because water is such a strange molecule. Around 300 K water can evolve rapidly to form a liquid, a gas, or a solid (ice). The transitions between these different states (with only the gas having a greenhouse effect, while water droplets in clouds have generally a cooling effect) make that water is unable to directly control the Earth's temperature. Worse, in fact, these phase transitions will amplify the fluctuations around a given temperature, generally in a feedforward way. We know very well the situation in deserts, where the night temperature is very low, with a very high temperature during the day. In fact, this explains why ‘global warming’ (i.e. shifting upwards the average temperature of the planet) is also parallel with an amplification of weather extremes. It is quite remarkable that the role of water, which is well established, does not belong to popular knowledge. Standard ‘due diligence’ would have made this knowledge widely shared.

Another straightforward example of the need to have a clear knowledge of the thought of our predecessors is illustrated in the following. When we see expressions such as ‘paradigm change’, ‘change of paradigm’, ‘paradigm shift’ or ‘shift of paradigm’ (12,424 articles listed in PubMed as of June 26, 2023), we should be aware that the subject of interest of these articles has nothing to do with a paradigm shift, simply because such a change in paradigm is extremely rare, being distributed over centuries, at best (Kuhn,  1962 ). Worse, the use of the word implies that the authors of the works have most probably never read Thomas Kuhn's work, and are merely using a fashionable hearsay. As a consequence, critical thinking should lead authentic scientists to put aside all these works before further developing their investigation (Figure  1 ).

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Number of articles identified in the PubMed database with the keywords ‘paradigm change’ or ‘change of paradigm’ or ‘paradigm shift’ or ‘shift of paradigm’. A very low number of articles, generally reporting information consistent with the Kuhnian view of scientific revolutions is published before 1993. Between 1993 and 2000 a looser view of the term paradigm begins to be used in a metaphoric way. Since then the word has become fashionable while losing entirely its original meaning, while carrying over lack of epistemological knowledge. This example of common behaviour illustrates the decadence of contemporary science.

This being understood, we can now explore the general way science proceeds. This has been previously discussed at a conference meant to explain the scientific method to an audience of Chinese philosophers, anthropologists and scientists and held at Sun Yat Sen (Zhong Shan) University in Canton (Guangzhou) in 1991. This discussion is expanded in The Delphic Boat (Danchin,  2002 ). For a variety of reasons, it would be useful to anticipate the future of our world. This raises an unlimited number of questions and the aim of the scientific method is to try and answer those. The way in which questions emerge is a subject in itself. This is not addressed here, but this should also be the subject of critical thinking (Yanai & Lercher,  2019 ).

The basis for scientific investigation accepts that, while the truth of the world exists in itself (‘relativism’ is foreign to scientific knowledge, as science keeps building up its progresses on previous knowledge, even when changing its paradigms), we can only access it through the mediation of a representation. This has been extensively debated at the time, 2500 years ago, when science and philosophy designed the common endeavour meant to generate knowledge (Frank,  1952 ). It was then apparent that we cannot escape this omnipresent limitation of human rationality, as Xenophanes of Colophon explicitly stated at the time [discussed in Popper,  1968 ]. This limitation comes from an inevitable constraint: contrary to what many keep saying, data do not speak . Reality must be interpreted within the frame of a particular representation that critical thinking aims at making visible. A sentence that we all forget to reject, such as ‘results show…’ is meaningless: results are interpreted as meaning this or that.

Accepting this limitation is a difficult attribute of scientific judgement. Yet the quality of thought progresses as the understanding of this constraint becomes more effective: to answer our questions we have to build models of the world, and be satisfied with this perspective. It is through our knowledge of the world's models that we are able to explore and act upon it. We can even become the creators of new behaviours of reality, including new artefacts such as a laser beam, a physics‐based device that is unlikely to exist in the universe except in places where agents with an ability similar to ours would exist. Indeed, to create models is to introduce a distance, a mediation through some kind of symbolic coding (via the construction of a model), between ourselves and the world. It is worth pointing out that this feature highlights how science builds its strength from its very radical weakness, which is to know that it is incapable, in principle, of attaining truth. Furthermore and fortunately, we do not have to begin with a tabula rasa . Science keeps progressing. The ideas and the models we have received from our fathers form the basis of our first representation of the world. The critical question we all face, then, is: how well these models match up with reality? how do they fare in answering our questions?

Many, over time, think they achieve ultimate understanding of reality (or force others to think so) and abide by the knowledge reached at the time, precluding any progress. A few persist in asking questions about what remains enigmatic in the way things behave. Until fairly recently (and this can still be seen in the fashion for ‘organic’ things, or the idea, similar to that of the animating ‘phlogiston’ of the Middle Ages, that things spontaneously organize themselves in certain elusive circumstances usually represented by fancy mathematical models), things were thought to combine four elements: fire, air, water, and earth, in a variety of proportions and combinations. In China, wood, a fifth element that had some link to life was added to the list. Later on, the world was assumed to result from the combination of 10 categories (Danchin,  2009 ). It took time to develop a physic of reality involving space, time, mass, and energy. What this means is still far from fully understood. How, in our times when the successes of the applications of science are so prominent, is it still possible to question the generally accepted knowledge, to progress in the construction of a new representation of reality?

This is where critical thinking comes in. The first step must be to try and simplify the problem, to abstract from the blurred set of inherited ideas a few foundational concepts that will not immediately be called into question, at least as a preliminary stage of investigation. We begin by isolating a phenomenon whose apparent clarity contrasts with its environment. A key point in the process is to be aware of the fact that the links between correlation and causation are not trivial (Altman & Krzywinski,  2015 ). The confusion between both properties results probably in the major anti‐science behaviour that prevents the development of knowledge. In our time, a better understanding of what causality is is essential to understand the present development of Artificial Intelligence (Schölkopf et al.,  2021 ) as this is directly linked to the process of rational decision (Simon,  1996 ).

Subsequently, a set of undisputed rules, phenomenological criteria and postulates is associated with the phenomenon. It constitutes temporarily the founding dogma of the theory, made up of the phenomenon of interest, the postulates, the model and the conditions and results of its application to reality. This epistemological attitude can legitimately be described as ‘dogmatic’ and it remains unchanged for a long time in the progression of scientific knowledge. This is well illustrated by the fact that the word ‘dogma’, a religious word par excellence, is often misused when referring to a scientific theory. Many still refer, for example, to the expression ‘the central dogma of molecular biology’ to describe the rules for rewriting the genetic program from DNA to RNA and then proteins (Crick,  1970 ). Of course, critical thinking understands that this is no dogma, and variations on the theme are omnipresent, as seen for instance in the role of the enzyme reverse transcriptase which allows RNA to be rewritten into a DNA sequence.

Yet, whereas isolating postulates is an important step, it does not permit one to give explanations or predictions. To go further, one must therefore initiate a constructive process. The essential step there will be the constitution of a model (or in weaker instances, a simulation) of the phenomenon (Figure  2 ).

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The Critical Generative Method. Science is based on the premises that while we can look for the truth of reality, this is in principle impossible. The only way out is to build up models of reality (‘realistic models’) and find ways to compare their outcome to the behaviour of reality [see an explicit example for genome sequences in Hénaut et al.,  1996 ]. The ultimate model is mathematical model, but this is rarely possible to achieve. Other models are based on simulations, that is, models that mimic the behaviour of reality without trying to propose an explanation of that behaviour. A primitive attempt of this endeavour is illustrated when people use figurines that they manipulate hoping that this will anticipate the behaviour of their environment (e.g. ‘voodoo’). This is also frequent in borderline science (Friedman & Brown,  2018 ).

To this aim, the postulates will be interpreted in the form of entities (concrete or abstract) or of relationships between entities, which will be further manipulated by an independent set of processes. The perfect stage, generally considered as the ultimate one, associates the manipulation of abstract entities, interpreting postulates into axioms and definitions, manipulable according to the rules of logic. In the construction of a model, one assists therefore first to a process of abstraction , which allows one to go from the postulates to the axioms. Quite often, however, one will not be able to axiomatize the postulates. It will only be possible to represent them using analogies involving the founding elements of another phenomenon, better known and considered as analogous. One could also change the scales of a phenomenon (this is the case when one uses mock‐ups as models). In these families of approaches, the model is considered as a simulation. For example, it will be possible to simulate an electromagnetic phenomenon using a hydrodynamic phenomenon [for a general example in physics (Vives & Ricou,  1985 )]. In recent times the simulation is generally performed numerically, using (super)computers [e.g. the mesoscopic scale typical for cells (Huber & McCammon,  2019 )]. While all these approaches have important implications in terms of diagnostic, for example, they are generally purely phenomenological and descriptive. This is understood by critical thinking, despite the general tendency to mistake the mimic for what it represents. Recent artificial intelligence approaches that use ‘neuronal networks’ are not, at least for the time being, models of the brain.

However useful and effective, the simulation of a phenomenon is clearly an admission of failure. A simulation represents behaviour that conforms to reality, but does not explain it. Yet science aims to do more than simply represent a phenomenon; it aims to anticipate what will happen in the near and distant future. To get closer to the truth, we need to understand and explain, that is, reduce the representation to simpler elementary principles (and as few as possible) in order to escape the omnipresent anecdotes that parasitize our vision of the future. In the case of the study of genomes, for example, this will lead us to question their origin and evolution. It will also require us to understand the formal nature of the control processes (of which feedback, e.g. is one) that they encode. As soon as possible, therefore, we would like to translate the postulates that enabled the model's construction into well‐formed statements that will constitute the axioms and definitions of an explanatory model. At a later stage, the axioms and definitions will be linked together to create a demonstration leading to a theorem or, more often than not, a simple conjecture.

When based on mathematics, the model is made up of its axioms and definitions, and the demonstrations and theorems it conveys. It is an entirely autonomous entity, which can only be justified by its own rules. To be valid, it must necessarily be true according to the rules of mathematical logic. So here we have an essential truth criterion, but one that can say nothing about the truth of the phenomenon. A key feature of critical thinking is the understanding that the truth of the model is not the truth of the phenomenon. The amalgam of these two truths, common in magical thinking, often results in the model (identified as a portion of the world) being given a sacred value, and changes the role of the scientist to that of a priest.

Having started from the phenomenon of interest to build the model, we now need to return from the model to the real world. A process symmetrical to that which provided the basis for the model, an instantiation of the conclusions summarized in the theorem, is now required. This can take the form of predictions, observations or experiments, for which at least two types can be broadly identified. These predictions are either existential (the object, process, or relations predicted by the instantiation of the theorem must be discovered), or phenomenological, and therefore subject to verification and deniability. An experimental set‐up will have to be constructed to explore what has been predicted by the instantiations of the model theorems and to support or falsify the predictions. In the case of hypotheses based on genes, for example, this will lead to synthetic biology constructs experiments (Danchin & Huang,  2023 ), where genes are replaced by counterparts, even made of atoms that differ from the canonical ones.

The reaction of reality, either to simple (passive) observation or to the observation of phenomena triggered by the experiments, will validate the model and measure the degree of adequacy between the model and the reality. This follows a constructive path when the model's shortcomings are identified, and when are discovered the predicted new objects that must now be included in further models of reality. This process imposes the falsification of certain instantiated conclusions that have been falsified as a major driving force for the progression of the model in line with reality. This part of the thought process is essential to escape infinite regression in a series of confirmation experiments, one after the other, ad infinitum. Identifying this type of situation, based on the understanding that the behaviour of the model is not reality but an interpretation of reality, is essential to promote critical thinking.

It must also be stressed that, of course, the weight of the proof of the model's adequacy to reality belongs to the authors of the model. It would be both contrary to the simplest rules of logic (the proof of non‐existence is only possible for finite sets), and also totally inefficient, as well as sterile, to produce an unfalsifiable model. This is indeed a critical way to identify the many pretenders who plague science. They are easy to recognize since they identify themselves precisely by the fact that they ask the others: ‘repeat my experiments again and show me that they are wrong!’. Unfortunately, this old conjuring trick is still well spread, especially in a world dominated by mass media looking for scoops, not for truth.

When certain predictions of the model are not verified, critical thinking forces us to study its relationship with reality, and we must proceed in reverse, following the path that led to these inadequate predictions (Figure  2 ). In this reverse process, we go backwards until we reach the postulates on which the model was built, at which point we modify, refine and, if necessary, change them. The explanatory power of the model will increase each time we can reduce the number of postulates on which it is built. This is another way of developing critical thinking skills: the more factors there are underlying an explanation, the less reliable the model. As an example in molecular biology, the selective model used by Monod and coworkers to account for allostery (Monod et al.,  1965 ) used far fewer adjustable parameters than Koshland's induced‐fit model (Koshland,  1959 ).

In real‐life situations, this reverse path is long and difficult to build. The model's resistance to change is quickly organized, if only because, lacking critical thinking, its creators cannot help thinking that, in fact, the model manifests, rather than represents, the truth of the world. It is only natural, then, to think that the lack of predictive power is primarily due not to the model's inadequacy, but to the inappropriate way in which its broad conclusions have been instantiated. This corresponds, in effect, to a stage where formal terms have been interpreted in terms of real behaviour, which involves a great deal of fine‐tuning. Because it is inherently difficult to identify the inadequacy of the model or its links with the phenomenon of interest, it is often the case that a model persists, sometimes for a very long time, despite numerous signs of imperfection.

During this critical process, the very nature of the model is questioned, and its construction, the meaning it represents, is clarified and refined under the constraint of contradictions. The very terms of the instantiations of predictions, or of the abstraction of founding postulates, are made finer and finer. This is why this dogmatic stage plays such an essential role: a model that was too inadequate would have been quickly discarded, and would not have been able to generate and advance knowledge, whereas a succession of improvements leads to an ever finer understanding, and hence better representation of the phenomenon of interest. Then comes a time when the very axioms on which the model is based are called into question, and when the most recent abstractions made from the initial postulates lead to them being called into question. This is of course very rare and difficult, and is the source of those genuine scientific revolutions, those paradigm shifts (to use Thomas Kuhn's word), from which new models are born, develop and die, based on assumptions that differ profoundly from those of their predecessors. This manifests an ultimate, but extremely rare, success of critical thinking.

A final comment. Karl Popper in his Logik der Forschung ( The Logic of Scientific Discovery ) tried to show that there was a demarcation separating science from non‐science (Keuth and Popper,  1934 ). This resulted from the implementation of a refutation process that he named falsification that was sufficient to tell the observer that a model was failing. However, as displayed in Figure  2 , refutation does not work directly on the model of interest, but on the interpretation of its predictions . This means that while science is associated with a method, its implementation in practice is variable, and its borders fuzzy. In fact, trying to match models with reality allows us to progress by producing better adequacy with reality (Putnam,  1991 ). Nevertheless, because the separation between models and reality rests on interpretations (processes rooted in culture and language), establishing an explicit demarcation is impossible. This intrinsic difficulty, which is associated with a property that we could name ‘context associated with a research programme’ (Lakatos,  1976 , 1978 ), shows that the demarcation between science and non‐science is dominated by a particular currency of reality, which we have to consider under the name information , using the word with all its common (and accordingly fuzzy) connotations, and which operates in addition to the standard categories, mass, energy, space and time.

The first attempts to solve contradictions between model predictions and observed phenomena do not immediately discard the model, as Popper would have it. The common practice is for the authors of a model to re‐interpret the instantiation process that has coupled the theorem to reality. Typically: ‘exceptions make the rule’, or ‘this is not exactly what we meant, we need to focus more on this or that feature’, etc. This polishing step is essential, it allows the frontiers of the model and its associated phenomena to be defined as accurately as possible. It marks the moment when technically arid efforts such as defining a proper nomenclature, a database data schema, etc., have a central role. In contrast to the hopes of Popper, who sought for a principle telling us whether a particular creation of knowledge can be named Science, using refutation as principle, there is no ultimate demarcation between science and non‐science. Then comes a time when, despite all efforts to reconcile predictions and phenomena, the inadequacy between the model and reality becomes insoluble. Assuming no mistake in the demonstration (within the model), this contradiction implies that we need to reconsider the axioms and definitions upon which the model has been constructed. This is the time when critical thinking becomes imperative.

AUTHOR CONTRIBUTIONS

Antoine Danchin: Conceptualization (lead); writing – original draft (lead); writing – review and editing (lead).

CONFLICT OF INTEREST STATEMENT

This work belongs to efforts pertaining to epistemological thinking and does not imply any conflict of interest.

ACKNOWLEDGEMENTS

The general outline of the Critical Generative Method presented at Zhong Shan University in Guangzhou, China in 1991, and discussed over the years in the Stanislas Noria seminar ( https://www.normalesup.org/~adanchin/causeries/causeries‐en.html ) has previously been published in Danchin ( 2009 ) and in a variety of texts. Because scientific knowledge results from accumulation of knowledge painstakingly created by the generations that preceded us, the present text purposely makes reference to work which is seldom cited at a moment when scientists become amnesiac and tend to reinvent the wheel.

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Classroom Q&A

With larry ferlazzo.

In this EdWeek blog, an experiment in knowledge-gathering, Ferlazzo will address readers’ questions on classroom management, ELL instruction, lesson planning, and other issues facing teachers. Send your questions to [email protected]. Read more from this blog.

Eight Instructional Strategies for Promoting Critical Thinking

how are critical thinking and science related

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(This is the first post in a three-part series.)

The new question-of-the-week is:

What is critical thinking and how can we integrate it into the classroom?

This three-part series will explore what critical thinking is, if it can be specifically taught and, if so, how can teachers do so in their classrooms.

Today’s guests are Dara Laws Savage, Patrick Brown, Meg Riordan, Ph.D., and Dr. PJ Caposey. Dara, Patrick, and Meg were also guests on my 10-minute BAM! Radio Show . You can also find a list of, and links to, previous shows here.

You might also be interested in The Best Resources On Teaching & Learning Critical Thinking In The Classroom .

Current Events

Dara Laws Savage is an English teacher at the Early College High School at Delaware State University, where she serves as a teacher and instructional coach and lead mentor. Dara has been teaching for 25 years (career preparation, English, photography, yearbook, newspaper, and graphic design) and has presented nationally on project-based learning and technology integration:

There is so much going on right now and there is an overload of information for us to process. Did you ever stop to think how our students are processing current events? They see news feeds, hear news reports, and scan photos and posts, but are they truly thinking about what they are hearing and seeing?

I tell my students that my job is not to give them answers but to teach them how to think about what they read and hear. So what is critical thinking and how can we integrate it into the classroom? There are just as many definitions of critical thinking as there are people trying to define it. However, the Critical Think Consortium focuses on the tools to create a thinking-based classroom rather than a definition: “Shape the climate to support thinking, create opportunities for thinking, build capacity to think, provide guidance to inform thinking.” Using these four criteria and pairing them with current events, teachers easily create learning spaces that thrive on thinking and keep students engaged.

One successful technique I use is the FIRE Write. Students are given a quote, a paragraph, an excerpt, or a photo from the headlines. Students are asked to F ocus and respond to the selection for three minutes. Next, students are asked to I dentify a phrase or section of the photo and write for two minutes. Third, students are asked to R eframe their response around a specific word, phrase, or section within their previous selection. Finally, students E xchange their thoughts with a classmate. Within the exchange, students also talk about how the selection connects to what we are covering in class.

There was a controversial Pepsi ad in 2017 involving Kylie Jenner and a protest with a police presence. The imagery in the photo was strikingly similar to a photo that went viral with a young lady standing opposite a police line. Using that image from a current event engaged my students and gave them the opportunity to critically think about events of the time.

Here are the two photos and a student response:

F - Focus on both photos and respond for three minutes

In the first picture, you see a strong and courageous black female, bravely standing in front of two officers in protest. She is risking her life to do so. Iesha Evans is simply proving to the world she does NOT mean less because she is black … and yet officers are there to stop her. She did not step down. In the picture below, you see Kendall Jenner handing a police officer a Pepsi. Maybe this wouldn’t be a big deal, except this was Pepsi’s weak, pathetic, and outrageous excuse of a commercial that belittles the whole movement of people fighting for their lives.

I - Identify a word or phrase, underline it, then write about it for two minutes

A white, privileged female in place of a fighting black woman was asking for trouble. A struggle we are continuously fighting every day, and they make a mockery of it. “I know what will work! Here Mr. Police Officer! Drink some Pepsi!” As if. Pepsi made a fool of themselves, and now their already dwindling fan base continues to ever shrink smaller.

R - Reframe your thoughts by choosing a different word, then write about that for one minute

You don’t know privilege until it’s gone. You don’t know privilege while it’s there—but you can and will be made accountable and aware. Don’t use it for evil. You are not stupid. Use it to do something. Kendall could’ve NOT done the commercial. Kendall could’ve released another commercial standing behind a black woman. Anything!

Exchange - Remember to discuss how this connects to our school song project and our previous discussions?

This connects two ways - 1) We want to convey a strong message. Be powerful. Show who we are. And Pepsi definitely tried. … Which leads to the second connection. 2) Not mess up and offend anyone, as had the one alma mater had been linked to black minstrels. We want to be amazing, but we have to be smart and careful and make sure we include everyone who goes to our school and everyone who may go to our school.

As a final step, students read and annotate the full article and compare it to their initial response.

Using current events and critical-thinking strategies like FIRE writing helps create a learning space where thinking is the goal rather than a score on a multiple-choice assessment. Critical-thinking skills can cross over to any of students’ other courses and into life outside the classroom. After all, we as teachers want to help the whole student be successful, and critical thinking is an important part of navigating life after they leave our classrooms.

usingdaratwo

‘Before-Explore-Explain’

Patrick Brown is the executive director of STEM and CTE for the Fort Zumwalt school district in Missouri and an experienced educator and author :

Planning for critical thinking focuses on teaching the most crucial science concepts, practices, and logical-thinking skills as well as the best use of instructional time. One way to ensure that lessons maintain a focus on critical thinking is to focus on the instructional sequence used to teach.

Explore-before-explain teaching is all about promoting critical thinking for learners to better prepare students for the reality of their world. What having an explore-before-explain mindset means is that in our planning, we prioritize giving students firsthand experiences with data, allow students to construct evidence-based claims that focus on conceptual understanding, and challenge students to discuss and think about the why behind phenomena.

Just think of the critical thinking that has to occur for students to construct a scientific claim. 1) They need the opportunity to collect data, analyze it, and determine how to make sense of what the data may mean. 2) With data in hand, students can begin thinking about the validity and reliability of their experience and information collected. 3) They can consider what differences, if any, they might have if they completed the investigation again. 4) They can scrutinize outlying data points for they may be an artifact of a true difference that merits further exploration of a misstep in the procedure, measuring device, or measurement. All of these intellectual activities help them form more robust understanding and are evidence of their critical thinking.

In explore-before-explain teaching, all of these hard critical-thinking tasks come before teacher explanations of content. Whether we use discovery experiences, problem-based learning, and or inquiry-based activities, strategies that are geared toward helping students construct understanding promote critical thinking because students learn content by doing the practices valued in the field to generate knowledge.

explorebeforeexplain

An Issue of Equity

Meg Riordan, Ph.D., is the chief learning officer at The Possible Project, an out-of-school program that collaborates with youth to build entrepreneurial skills and mindsets and provides pathways to careers and long-term economic prosperity. She has been in the field of education for over 25 years as a middle and high school teacher, school coach, college professor, regional director of N.Y.C. Outward Bound Schools, and director of external research with EL Education:

Although critical thinking often defies straightforward definition, most in the education field agree it consists of several components: reasoning, problem-solving, and decisionmaking, plus analysis and evaluation of information, such that multiple sides of an issue can be explored. It also includes dispositions and “the willingness to apply critical-thinking principles, rather than fall back on existing unexamined beliefs, or simply believe what you’re told by authority figures.”

Despite variation in definitions, critical thinking is nonetheless promoted as an essential outcome of students’ learning—we want to see students and adults demonstrate it across all fields, professions, and in their personal lives. Yet there is simultaneously a rationing of opportunities in schools for students of color, students from under-resourced communities, and other historically marginalized groups to deeply learn and practice critical thinking.

For example, many of our most underserved students often spend class time filling out worksheets, promoting high compliance but low engagement, inquiry, critical thinking, or creation of new ideas. At a time in our world when college and careers are critical for participation in society and the global, knowledge-based economy, far too many students struggle within classrooms and schools that reinforce low-expectations and inequity.

If educators aim to prepare all students for an ever-evolving marketplace and develop skills that will be valued no matter what tomorrow’s jobs are, then we must move critical thinking to the forefront of classroom experiences. And educators must design learning to cultivate it.

So, what does that really look like?

Unpack and define critical thinking

To understand critical thinking, educators need to first unpack and define its components. What exactly are we looking for when we speak about reasoning or exploring multiple perspectives on an issue? How does problem-solving show up in English, math, science, art, or other disciplines—and how is it assessed? At Two Rivers, an EL Education school, the faculty identified five constructs of critical thinking, defined each, and created rubrics to generate a shared picture of quality for teachers and students. The rubrics were then adapted across grade levels to indicate students’ learning progressions.

At Avenues World School, critical thinking is one of the Avenues World Elements and is an enduring outcome embedded in students’ early experiences through 12th grade. For instance, a kindergarten student may be expected to “identify cause and effect in familiar contexts,” while an 8th grader should demonstrate the ability to “seek out sufficient evidence before accepting a claim as true,” “identify bias in claims and evidence,” and “reconsider strongly held points of view in light of new evidence.”

When faculty and students embrace a common vision of what critical thinking looks and sounds like and how it is assessed, educators can then explicitly design learning experiences that call for students to employ critical-thinking skills. This kind of work must occur across all schools and programs, especially those serving large numbers of students of color. As Linda Darling-Hammond asserts , “Schools that serve large numbers of students of color are least likely to offer the kind of curriculum needed to ... help students attain the [critical-thinking] skills needed in a knowledge work economy. ”

So, what can it look like to create those kinds of learning experiences?

Designing experiences for critical thinking

After defining a shared understanding of “what” critical thinking is and “how” it shows up across multiple disciplines and grade levels, it is essential to create learning experiences that impel students to cultivate, practice, and apply these skills. There are several levers that offer pathways for teachers to promote critical thinking in lessons:

1.Choose Compelling Topics: Keep it relevant

A key Common Core State Standard asks for students to “write arguments to support claims in an analysis of substantive topics or texts using valid reasoning and relevant and sufficient evidence.” That might not sound exciting or culturally relevant. But a learning experience designed for a 12th grade humanities class engaged learners in a compelling topic— policing in America —to analyze and evaluate multiple texts (including primary sources) and share the reasoning for their perspectives through discussion and writing. Students grappled with ideas and their beliefs and employed deep critical-thinking skills to develop arguments for their claims. Embedding critical-thinking skills in curriculum that students care about and connect with can ignite powerful learning experiences.

2. Make Local Connections: Keep it real

At The Possible Project , an out-of-school-time program designed to promote entrepreneurial skills and mindsets, students in a recent summer online program (modified from in-person due to COVID-19) explored the impact of COVID-19 on their communities and local BIPOC-owned businesses. They learned interviewing skills through a partnership with Everyday Boston , conducted virtual interviews with entrepreneurs, evaluated information from their interviews and local data, and examined their previously held beliefs. They created blog posts and videos to reflect on their learning and consider how their mindsets had changed as a result of the experience. In this way, we can design powerful community-based learning and invite students into productive struggle with multiple perspectives.

3. Create Authentic Projects: Keep it rigorous

At Big Picture Learning schools, students engage in internship-based learning experiences as a central part of their schooling. Their school-based adviser and internship-based mentor support them in developing real-world projects that promote deeper learning and critical-thinking skills. Such authentic experiences teach “young people to be thinkers, to be curious, to get from curiosity to creation … and it helps students design a learning experience that answers their questions, [providing an] opportunity to communicate it to a larger audience—a major indicator of postsecondary success.” Even in a remote environment, we can design projects that ask more of students than rote memorization and that spark critical thinking.

Our call to action is this: As educators, we need to make opportunities for critical thinking available not only to the affluent or those fortunate enough to be placed in advanced courses. The tools are available, let’s use them. Let’s interrogate our current curriculum and design learning experiences that engage all students in real, relevant, and rigorous experiences that require critical thinking and prepare them for promising postsecondary pathways.

letsinterrogate

Critical Thinking & Student Engagement

Dr. PJ Caposey is an award-winning educator, keynote speaker, consultant, and author of seven books who currently serves as the superintendent of schools for the award-winning Meridian CUSD 223 in northwest Illinois. You can find PJ on most social-media platforms as MCUSDSupe:

When I start my keynote on student engagement, I invite two people up on stage and give them each five paper balls to shoot at a garbage can also conveniently placed on stage. Contestant One shoots their shot, and the audience gives approval. Four out of 5 is a heckuva score. Then just before Contestant Two shoots, I blindfold them and start moving the garbage can back and forth. I usually try to ensure that they can at least make one of their shots. Nobody is successful in this unfair environment.

I thank them and send them back to their seats and then explain that this little activity was akin to student engagement. While we all know we want student engagement, we are shooting at different targets. More importantly, for teachers, it is near impossible for them to hit a target that is moving and that they cannot see.

Within the world of education and particularly as educational leaders, we have failed to simplify what student engagement looks like, and it is impossible to define or articulate what student engagement looks like if we cannot clearly articulate what critical thinking is and looks like in a classroom. Because, simply, without critical thought, there is no engagement.

The good news here is that critical thought has been defined and placed into taxonomies for decades already. This is not something new and not something that needs to be redefined. I am a Bloom’s person, but there is nothing wrong with DOK or some of the other taxonomies, either. To be precise, I am a huge fan of Daggett’s Rigor and Relevance Framework. I have used that as a core element of my practice for years, and it has shaped who I am as an instructional leader.

So, in order to explain critical thought, a teacher or a leader must familiarize themselves with these tried and true taxonomies. Easy, right? Yes, sort of. The issue is not understanding what critical thought is; it is the ability to integrate it into the classrooms. In order to do so, there are a four key steps every educator must take.

  • Integrating critical thought/rigor into a lesson does not happen by chance, it happens by design. Planning for critical thought and engagement is much different from planning for a traditional lesson. In order to plan for kids to think critically, you have to provide a base of knowledge and excellent prompts to allow them to explore their own thinking in order to analyze, evaluate, or synthesize information.
  • SIDE NOTE – Bloom’s verbs are a great way to start when writing objectives, but true planning will take you deeper than this.

QUESTIONING

  • If the questions and prompts given in a classroom have correct answers or if the teacher ends up answering their own questions, the lesson will lack critical thought and rigor.
  • Script five questions forcing higher-order thought prior to every lesson. Experienced teachers may not feel they need this, but it helps to create an effective habit.
  • If lessons are rigorous and assessments are not, students will do well on their assessments, and that may not be an accurate representation of the knowledge and skills they have mastered. If lessons are easy and assessments are rigorous, the exact opposite will happen. When deciding to increase critical thought, it must happen in all three phases of the game: planning, instruction, and assessment.

TALK TIME / CONTROL

  • To increase rigor, the teacher must DO LESS. This feels counterintuitive but is accurate. Rigorous lessons involving tons of critical thought must allow for students to work on their own, collaborate with peers, and connect their ideas. This cannot happen in a silent room except for the teacher talking. In order to increase rigor, decrease talk time and become comfortable with less control. Asking questions and giving prompts that lead to no true correct answer also means less control. This is a tough ask for some teachers. Explained differently, if you assign one assignment and get 30 very similar products, you have most likely assigned a low-rigor recipe. If you assign one assignment and get multiple varied products, then the students have had a chance to think deeply, and you have successfully integrated critical thought into your classroom.

integratingcaposey

Thanks to Dara, Patrick, Meg, and PJ for their contributions!

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You can also contact me on Twitter at @Larryferlazzo .

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Understanding the Complex Relationship between Critical Thinking and Science Reasoning among Undergraduate Thesis Writers.

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Developing critical-thinking and scientific reasoning skills are core learning objectives of science education, but little empirical evidence exists regarding the interrelationships between these constructs. Writing effectively fosters students' development of these constructs, and it offers a unique window into studying how they relate. In this study of undergraduate thesis writing in biology at two universities, we examine how scientific reasoning exhibited in writing (assessed using the Biology Thesis Assessment Protocol) relates to general and specific critical-thinking skills (assessed using the California Critical Thinking Skills Test), and we consider implications for instruction. We find that scientific reasoning in writing is strongly related to inference, while other aspects of science reasoning that emerge in writing (epistemological considerations, writing conventions, etc.) are not significantly related to critical-thinking skills. Science reasoning in writing is not merely a proxy for critical thinking. In linking features of students' writing to their critical-thinking skills, this study 1) provides a bridge to prior work suggesting that engagement in science writing enhances critical thinking and 2) serves as a foundational step for subsequently determining whether instruction focused explicitly on developing critical-thinking skills (particularly inference) can actually improve students' scientific reasoning in their writing.

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10.1187/cbe.17-03-0052

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Dowd, Jason E, Robert J Thompson, Leslie A Schiff and Julie A Reynolds (2018). Understanding the Complex Relationship between Critical Thinking and Science Reasoning among Undergraduate Thesis Writers. CBE life sciences education , 17(1). pp. ar4–ar4. 10.1187/cbe.17-03-0052 Retrieved from https://hdl.handle.net/10161/20431 .

This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal .

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Scholars @ duke.

Thompson

Robert J. Thompson

My research and teaching interests include how biological and psychosocial processes act together in human development and learning. One area of focus has been on the adaptation of children and their families to developmental problems and chronic illnesses, including sickle cell disease and cystic fibrosis. Another area of focus is enhancing undergraduate education through scholarship on teaching and learning and fostering the development of empathy and identity.

Reynolds

Julie Reynolds

Julie Reynolds has a Ph.D. in biology but, through a series of unexpected events, became an expert in writing pedagogies. She spent 5 years learning to teach writing as a postdoctoral fellow in Duke University’s first-year writing program before transitioning to the biology department where she has taught science writing and writing-intensive courses to thousands of undergraduates and graduate students. With over a decade of funding from the National Science Foundation, her disciplinary-based education research has focused on how writing assignments can promote deep, conceptual learning, especially in large science courses. Dr. Reynolds is also a writing coach and has helped hundreds of scientists across the country to increase their productivity while reducing stress associated with writing.

Open Access

Unless otherwise indicated, scholarly articles published by Duke faculty members are made available here with a CC-BY-NC (Creative Commons Attribution Non-Commercial) license , as enabled by the Duke Open Access Policy . If you wish to use the materials in ways not already permitted under CC-BY-NC, please consult the copyright owner. Other materials are made available here through the author’s grant of a non-exclusive license to make their work openly accessible.

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Critical Thinking and Decision-Making  - What is Critical Thinking?

Critical thinking and decision-making  -, what is critical thinking, critical thinking and decision-making what is critical thinking.

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Critical Thinking and Decision-Making: What is Critical Thinking?

Lesson 1: what is critical thinking, what is critical thinking.

Critical thinking is a term that gets thrown around a lot. You've probably heard it used often throughout the years whether it was in school, at work, or in everyday conversation. But when you stop to think about it, what exactly is critical thinking and how do you do it ?

Watch the video below to learn more about critical thinking.

Simply put, critical thinking is the act of deliberately analyzing information so that you can make better judgements and decisions . It involves using things like logic, reasoning, and creativity, to draw conclusions and generally understand things better.

illustration of the terms logic, reasoning, and creativity

This may sound like a pretty broad definition, and that's because critical thinking is a broad skill that can be applied to so many different situations. You can use it to prepare for a job interview, manage your time better, make decisions about purchasing things, and so much more.

The process

illustration of "thoughts" inside a human brain, with several being connected and "analyzed"

As humans, we are constantly thinking . It's something we can't turn off. But not all of it is critical thinking. No one thinks critically 100% of the time... that would be pretty exhausting! Instead, it's an intentional process , something that we consciously use when we're presented with difficult problems or important decisions.

Improving your critical thinking

illustration of the questions "What do I currently know?" and "How do I know this?"

In order to become a better critical thinker, it's important to ask questions when you're presented with a problem or decision, before jumping to any conclusions. You can start with simple ones like What do I currently know? and How do I know this? These can help to give you a better idea of what you're working with and, in some cases, simplify more complex issues.  

Real-world applications

illustration of a hand holding a smartphone displaying an article that reads, "Study: Cats are better than dogs"

Let's take a look at how we can use critical thinking to evaluate online information . Say a friend of yours posts a news article on social media and you're drawn to its headline. If you were to use your everyday automatic thinking, you might accept it as fact and move on. But if you were thinking critically, you would first analyze the available information and ask some questions :

  • What's the source of this article?
  • Is the headline potentially misleading?
  • What are my friend's general beliefs?
  • Do their beliefs inform why they might have shared this?

illustration of "Super Cat Blog" and "According to survery of cat owners" being highlighted from an article on a smartphone

After analyzing all of this information, you can draw a conclusion about whether or not you think the article is trustworthy.

Critical thinking has a wide range of real-world applications . It can help you to make better decisions, become more hireable, and generally better understand the world around you.

illustration of a lightbulb, a briefcase, and the world

/en/problem-solving-and-decision-making/why-is-it-so-hard-to-make-decisions/content/

Educationise

11 Activities That Promote Critical Thinking In The Class

Ignite your child’s curiosity with our exclusive “Learning Adventures Activity Workbook for Kids” a perfect blend of education and adventure!

Critical thinking activities encourage individuals to analyze, evaluate, and synthesize information to develop informed opinions and make reasoned decisions. Engaging in such exercises cultivates intellectual agility, fostering a deeper understanding of complex issues and honing problem-solving skills for navigating an increasingly intricate world. Through critical thinking, individuals empower themselves to challenge assumptions, uncover biases, and constructively contribute to discourse, thereby enriching both personal growth and societal progress.

Critical thinking serves as the cornerstone of effective problem-solving, enabling individuals to dissect challenges, explore diverse perspectives, and devise innovative solutions grounded in logic and evidence. For engaging problem solving activities, read our article problem solving activities that enhance student’s interest.

52 Critical Thinking Flashcards for Problem Solving

What is Critical Thinking?

Critical thinking is a 21st-century skill that enables a person to think rationally and logically in order to reach a plausible conclusion. A critical thinker assesses facts and figures and data objectively and determines what to believe and what not to believe. Critical thinking skills empower a person to decipher complex problems and make impartial and better decisions based on effective information.

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Importance of Acquiring Critical Thinking Skills

Critical thinking skills cultivate habits of mind such as strategic thinking, skepticism, discerning fallacy from the facts, asking good questions and probing deep into the issues to find the truth. Acquiring critical thinking skills was never as valuable as it is today because of the prevalence of the modern knowledge economy. Today, information and technology are the driving forces behind the global economy. To keep pace with ever-changing technology and new inventions, one has to be flexible enough to embrace changes swiftly.

Today critical thinking skills are one of the most sought-after skills by the companies. In fact, critical thinking skills are paramount not only for active learning and academic achievement but also for the professional career of the students. The lack of critical thinking skills catalyzes memorization of the topics without a deeper insight, egocentrism, closed-mindedness, reduced student interest in the classroom and not being able to make timely and better decisions.

Benefits of Critical Thinking Skills in Education

Certain strategies are more eloquent than others in teaching students how to think critically. Encouraging critical thinking in the class is indispensable for the learning and growth of the students. In this way, we can raise a generation of innovators and thinkers rather than followers. Some of the benefits offered by thinking critically in the classroom are given below:

  • It allows a student to decipher problems and think through the situations in a disciplined and systematic manner
  • Through a critical thinking ability, a student can comprehend the logical correlation between distinct ideas
  • The student is able to rethink and re-justify his beliefs and ideas based on facts and figures
  • Critical thinking skills make the students curious about things around them
  • A student who is a critical thinker is creative and always strives to come up with out of the box solutions to intricate problems

Read our article: How to Foster Critical Thinking Skills in Students? Creative Strategies and Real-World Examples

  • Critical thinking skills assist in the enhanced student learning experience in the classroom and prepares the students for lifelong learning and success
  • The critical thinking process is the foundation of new discoveries and inventions in the world of science and technology
  • The ability to think critically allows the students to think intellectually and enhances their presentation skills, hence they can convey their ideas and thoughts in a logical and convincing manner
  • Critical thinking skills make students a terrific communicator because they have logical reasons behind their ideas

Critical Thinking Lessons and Activities

11 Activities that Promote Critical Thinking in the Class

We have compiled a list of 11 activities that will facilitate you to promote critical thinking abilities in the students. We have also covered problem solving activities that enhance student’s interest in our another article. Click here to read it.

1. Worst Case Scenario

Divide students into teams and introduce each team with a hypothetical challenging scenario. Allocate minimum resources and time to each team and ask them to reach a viable conclusion using those resources. The scenarios can include situations like stranded on an island or stuck in a forest. Students will come up with creative solutions to come out from the imaginary problematic situation they are encountering. Besides encouraging students to think critically, this activity will enhance teamwork, communication and problem-solving skills of the students.

Read our article: 10 Innovative Strategies for Promoting Critical Thinking in the Classroom

2. If You Build It

It is a very flexible game that allows students to think creatively. To start this activity, divide students into groups. Give each group a limited amount of resources such as pipe cleaners, blocks, and marshmallows etc. Every group is supposed to use these resources and construct a certain item such as building, tower or a bridge in a limited time. You can use a variety of materials in the classroom to challenge the students. This activity is helpful in promoting teamwork and creative skills among the students.

It is also one of the classics which can be used in the classroom to encourage critical thinking. Print pictures of objects, animals or concepts and start by telling a unique story about the printed picture. The next student is supposed to continue the story and pass the picture to the other student and so on.

4. Keeping it Real

In this activity, you can ask students to identify a real-world problem in their schools, community or city. After the problem is recognized, students should work in teams to come up with the best possible outcome of that problem.

5. Save the Egg

Make groups of three or four in the class. Ask them to drop an egg from a certain height and think of creative ideas to save the egg from breaking. Students can come up with diverse ideas to conserve the egg like a soft-landing material or any other device. Remember that this activity can get chaotic, so select the area in the school that can be cleaned easily afterward and where there are no chances of damaging the school property.

6. Start a Debate

In this activity, the teacher can act as a facilitator and spark an interesting conversation in the class on any given topic. Give a small introductory speech on an open-ended topic. The topic can be related to current affairs, technological development or a new discovery in the field of science. Encourage students to participate in the debate by expressing their views and ideas on the topic. Conclude the debate with a viable solution or fresh ideas generated during the activity through brainstorming.

7. Create and Invent

This project-based learning activity is best for teaching in the engineering class. Divide students into groups. Present a problem to the students and ask them to build a model or simulate a product using computer animations or graphics that will solve the problem. After students are done with building models, each group is supposed to explain their proposed product to the rest of the class. The primary objective of this activity is to promote creative thinking and problem-solving skills among the students.

8. Select from Alternatives

This activity can be used in computer science, engineering or any of the STEM (Science, Technology, Engineering, Mathematics) classes. Introduce a variety of alternatives such as different formulas for solving the same problem, different computer codes, product designs or distinct explanations of the same topic.

Form groups in the class and ask them to select the best alternative. Each group will then explain its chosen alternative to the rest of the class with reasonable justification of its preference. During the process, the rest of the class can participate by asking questions from the group. This activity is very helpful in nurturing logical thinking and analytical skills among the students.

9. Reading and Critiquing

Present an article from a journal related to any topic that you are teaching. Ask the students to read the article critically and evaluate strengths and weaknesses in the article. Students can write about what they think about the article, any misleading statement or biases of the author and critique it by using their own judgments.

In this way, students can challenge the fallacies and rationality of judgments in the article. Hence, they can use their own thinking to come up with novel ideas pertaining to the topic.

10. Think Pair Share

In this activity, students will come up with their own questions. Make pairs or groups in the class and ask the students to discuss the questions together. The activity will be useful if the teacher gives students a topic on which the question should be based.

For example, if the teacher is teaching biology, the questions of the students can be based on reverse osmosis, human heart, respiratory system and so on. This activity drives student engagement and supports higher-order thinking skills among students.

11. Big Paper – Silent Conversation

Silence is a great way to slow down thinking and promote deep reflection on any subject. Present a driving question to the students and divide them into groups. The students will discuss the question with their teammates and brainstorm their ideas on a big paper. After reflection and discussion, students can write their findings in silence. This is a great learning activity for students who are introverts and love to ruminate silently rather than thinking aloud.

Finally, for students with critical thinking, you can go to GS-JJ.co m to customize exclusive rewards, which not only enlivens the classroom, but also promotes the development and training of students for critical thinking.

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4 thoughts on “ 11 Activities That Promote Critical Thinking In The Class ”

  • Pingback: What is Growth Mindset? 50+ Motivational Quotes on Growth Mindset - Educationise
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Thanks for the great article! Especially with the post-pandemic learning gap, these critical thinking skills are essential! It’s also important to teach them a growth mindset. If you are interested in that, please check out The Teachers’ Blog!

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July 22, 2024

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Researchers are exploring new ways to learn that make science more relevant to everyday life, and more fun

by Andrew Dunne, Horizon: The EU Research & Innovation Magazine

field trip

Frank Täufer, a scientific assistant at Campus Wiesengut—the University of Bonn's ecological teaching and research farm—asked a group of visiting 8-year-olds to speculate on why the rye plants in his field were all different heights. He was surprised by their insightful range of responses.

Some of the children suggested that the tall plants at the farm received more sunlight. Others thought there could be different types of rye in the field, or that insects may be blighting the crop. One student, after digging up a plant to inspect its roots, thought that the soil must be different across the field.

"They really asked questions and thought of ideas that I wouldn't have myself," said Täufer. "I regularly ask these questions to my university students , and they don't have as many ideas. And none of them has ever dug up a plant to look at the roots."

Taking children outside the classroom

Täufer's work is part of the three-year MULTIPLIERS project that aims to explore ways of making science more appealing to young people .

They are doing this through the creation of what they call Open Science Communities, or OSCs. The idea is to create collaborative networks among schools, universities, informal education providers, museums, local associations, and industry and civil society in order to expand the opportunities for students to learn about science in real-world settings—like the farm.

"I think it's very important to bring students outside the classroom in order to have authentic themes to work on and to make learning about science relevant to everyday life ," said Professor Annette Scheersoi, a specialist in sustainability science education from the University of Bonn and coordinator of MULTIPLIERS.

"When you are interested, you remember better, but you also connect more and feel the value and relevance," she said.

Connecting science and real life

OSCs have so far been set up in six European countries: Cyprus, Germany, Italy, Slovenia, Spain and Sweden. Students in all six countries were given the opportunity to interact with science experts from a wide range of backgrounds to explore science-based solutions for modern-day problems.

The idea is to help young people relate to the real-life science challenges we face every day, ranging from antimicrobial resistance to clean water and sanitation.

In Barcelona, for example, secondary school students were invited to apply what they learned in chemistry classes to measure air pollution in the school playground and at home. Then they presented the results.

In Germany, Slovenia and Sweden, students took to the forest to learn about sustainable forestry and biodiversity. With the guidance of local foresters and scientists, students studied different trees up close and made decisions on whether they should be felled or not.

"The approach was to consider forestry as a complex dilemma with trade-offs between the ecosystem and wood production," Scheersoi said.

Multiplying the impact

Crucial also for Scheersoi has been the multiplier effect—turning the students into teachers and giving them the chance to share their newfound knowledge with others.

Schoolchildren on the ecological farm invited their parents to a tasting session where they discussed the benefits of organic produce. In the forest, parents were invited to a Forest Day under the trees, where the children shared what they had learned.

Students have also been encouraged to share their knowledge by creating podcasts, science blogs, or organizing science fairs for families. Now the hope is to build on this work and further embed the approach beyond the project.

"Across MULTIPLIERS we have seen how students, teachers and outside science experts have engaged in these lessons. We want these networks to not only stay, but to grow, bringing in more people and bringing forward this new way of learning for students," said Scheersoi.

Science for sustainability

As part of its open science policy, the EU is supporting open schooling for science education, recognizing that Europe needs more scientists, including citizen scientists.

This is something that is also important to Jelena Kajganović, a sustainability expert at Geonardo, a Hungarian innovation and technology company active in the energy, environment and sustainable development fields.

Kajganović led a three-year project called OTTER which, like MULTIPLIERS, aimed to inspire a different approach to science learning and connect students to real-world challenges outside the classroom. They call this approach education outside the classroom (EOC).

Taking learning out of the school setting through things like outdoor activities and fieldtrips, has proven positive effects, says Kajganović. OTTER investigated how EOC could also help improve the acquisition of new knowledge and skills, specifically in the field of environmental sustainability.

"The core ideas behind OTTER are how to make science education more attractive, how to encourage students to learn and apply their knowledge," she said.

Although Kajganović observes a general apathy towards science in many classrooms, she sees this as untapped potential to do more to connect learning with pressing sustainability challenges.

Working with partners in Finland, Hungary, Ireland and Spain, OTTER sought to connect science lessons in the classroom with local issues. Very quickly students in OTTER schools began to link theory and practice.

In one school, near Barcelona, a group of 14-year-olds took samples from the local river to test water quality and were alarmed by the results. Based on their findings, the students organized an online petition calling for the river to be cleaned up.

"By testing the water, they could see the problem and they could see the connection with their own lives. It really clicked in their heads," said Kajganović.

Sharing knowledge across Europe

To spread the impact of their work further, the OTTER team created an online learning platform with a range of interactive teaching materials that educators can use to help them carry out education outside the classroom activities.

Looking ahead, OTTER now hopes to get teachers across Europe to use the platform to explore ways to get involved in outdoor science learning. Longer term, Kajganović believes it could spark a new way of thinking about science and inspire the next generation.

"I would really like to see our approach to science education changing by giving young people more space to think about science and its application in their lives," she said. "In terms of sustainability, if we don't solve our problems, no one will, and it was amazing to see young people taking the lead."

  • MULTIPLIERS
  • EU open science policy
  • European Research Area

Provided by Horizon: The EU Research & Innovation Magazine

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New research shows that transcendent thinking can increase teens’ sense of purpose

In a study of an intergenerational community program, CANDLE researchers found that adolescents who engaged in transcendent thinking increased their sense of purpose.

Photo of an adult Black woman and young Black teen.

Dreamers have been described as escapists, romantics and those who have their heads in the clouds. On the whole, these descriptors are not thought to be positive qualities, especially in school settings. But new research from Professor of Education, Psychology & Neuroscience Mary Helen Immordino-Yang is highlighting the utility of such deep and visionary thoughts. In recent studies, Immordino-Yang and her research team have explored whether thinking that transcends the here and now can not only provide teens with a way to connect with their elders through telling stories together, but also can increase their sense of purpose and wisdom.

Immordino-Yang’s study, conducted with her former student Rodrigo Riveros, examines several types of thinking that she terms “transcendent.” Other categories of thought that Immordino-Yang includes in this definition of transcendent thinking are recalling personal experiences, imagining the future, thinking about values and beliefs, and feeling emotions like compassion and gratitude. 

Over the past several years, Immordino-Yang has studied how transcendent thinking influences adolescent development. Most recently , Immordino-Yang and a team of researchers at the USC Center for Affective Neuroscience, Development, Learning and Education (CANDLE) revealed that transcendent thinking is a predictor of adolescent brain development, above and beyond demographic factors. In another recent study , Mary Helen Immordino-Yang and her fellow researchers demonstrated that transcendent thinking helps protect low-socioeconomic status urban adolescents’ brain development from the effects of witnessing community violence. In the current study, Immordino-Yang, Rodrigo Riveros, Xiao-Fei Yang, and Maria Jose Gonzalez Anaya at CANDLE partnered with an intergenerational storytelling afterschool program called Sages and Seekers to explore the effect of transcendent thinking on teens’ sense of purpose.

Portraits of participants in the Sages and Seekers program.

The eight-week-long Sages and Seekers program brings together adolescents and elders from the same communities to share stories and reflect on their lives. Sages and Seekers operates its programs throughout the U.S. and internationally as well. The non-profit brings young people together with those from an older generation with a mission “to develop empathy, combat social isolation and dissolve age-related segregation within our communities, while meeting the universal and compelling need of both young adults and older adults to make sense of their lives.” They aim to fulfill this mission by “creating a sense of intergenerational community in our programs, through the art of authentic conversation.”

The space that the Sages and Seekers program creates—a place of meaningful friendship between teens and older adults—is particularly fruitful for adolescent transcendent thinking and purpose building according to Immordino-Yang. Transcendent thinking and a stronger sense of self are “fostered within the context of tight and caring relationships with close adults,” Immordino-Yang said. These types of intergenerational relationships “can provide adolescents with opportunities for healthy development, giving them a space to build meaning of life experiences, and from there to envision future possibilities,” she explained.

With funding from the National Endowment of the Arts, the John Templeton Foundation and the Thrive Center Telos Project, the research team at CANDLE crafted and conducted a study to measure how the adolescent participants in the Sages and Seekers program leveraged transcendent thinking throughout the program and how this facilitated their growing sense of purpose. At the beginning of the program, “seekers” (teens) and “sages” (older adults) circulated and got to know one another until they found a partner they would like to work with. The pairs then met for weekly sessions where they launched into guided discussions using prompts. Before and after the program, the adolescent participants completed surveys reporting their sense of purpose, wisdom and other factors. After each of the eight weekly sessions, they also recorded short video diaries reflecting on what they learned that day and how they felt. In the final weeks, on their own time, teens composed tributes honoring their older partner, which they read to the group on the final day. 

Portraits of Sages and Seekers participants. (Photo/Mary Helen Immordino-Yang)

Analysis of the surveys, video diaries and tributes revealed that teens increased their sense of purpose and wisdom throughout the program, and that their use of transcendent thinking in the video diaries and tributes contributed to these increases. They also found particular patterns of emotional meaning-making that led to powerful insights for the teens, in particular as teens reflected on the lessons they could learn from stories in which their partners recounted having struggled and overcome difficulties.  

Reflecting on the study’s importance, Immordino-Yang explained that “a sense of purpose is fundamental to wellbeing across the lifespan, and especially so during adolescence, a developmental period of marked psychosocial potential and vulnerability. Patterns of thinking across adolescence not only organize brain development for emotional stability and wellbeing, but also are critical for a smooth transition to productive young adulthood.” The sages also benefitted, she notes. “Though we did not include these results in the current paper, the older adults also benefitted. They greatly enjoyed the program and increased their cognitive functioning, such as working memory.”

Immordino-Yang’s team’s study of the Sages and Seekers program “provides some insight into the ways that diverse adolescents from under-resourced neighborhoods increased their transcendent meaning-making through an opportunity to reflect on life experiences with an elder member of their community,” she said. The findings suggest that the program’s focus on building genuine and trusting intergenerational relationships around life stories “enabled youth to leverage emotional connections to their partner to dream about what their own future could hold, and what it would take to get there. Transcending the here-and-now, imagining the possibilities, supported their developing sense of purpose.”

Mary Helen  Immordino-Yang

  • Mary Helen Immordino-Yang
  • Fahmy and Donna Attallah Chair in Humanistic Psychology
  • Director, USC Center for Affective Neuroscience, Development, Learning and Education (candle.usc.edu)
  • Professor of Education, Psychology & Neuroscience
  • Brain & Creativity Institute; Rossier School of Education University of Southern California Member, U.S. National Academy of Education

Xiao-Fei  Yang

  • Xiao-Fei Yang
  • Assistant Research Professor; Scientific Director, Center for Affective Neuroscience, Development, Learning and Education (CANDLE)

Center for Affective Neuroscience, Development, Learning and Education

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New study reveals that witnessing violence harms the brains of older teens—but ‘transcendent thinking’ may be an antidote 

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APS

Journal Collection Examines Psychological Science in Pandemics

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  • Perspectives on Psychological Science
  • Public Health

how are critical thinking and science related

The COVID-19 pandemic exposed critical weaknesses in public health communication around the world that fueled the spread of false information, political polarization, interpersonal conflict, and confusing policies.  

In a special collection published in Perspectives on Psychological Science , researchers discuss how psychological science can help policymakers and the public understand and address the spread of infectious disease while preserving constructive social interactions and learning. Guest editors for the collection are APS Fellows Dolores Albarracín of the University of Pennsylvania and Norbert Schwarz of the University of Southern California, both of whom study the factors influencing beliefs and attitudes .  

The issue includes articles that analyze key policy questions, review the relevant psychological literature, critique actual policies implemented during the pandemic, and propose research and policy questions that psychologists might address in the future.  

“We are hopeful that the wide range of novel psychological research stimulated by the COVID-19 pandemic will advance our future understanding of human behavior in the context of severe health threats and contribute to better preparation for future pandemics,” Albarracín and Schwarz wrote in the introduction to the collection.  

The articles included in the collection are listed below. 

Health Communication and Behavioral Change During the COVID-19 Pandemic    Dolores Albarracín, Daphna Oyserman, and Norbert Schwarz    The Costs of Polarizing a Pandemic: Antecedents, Consequences, and Lessons   Jay J. Van Bavel, Clara Pretus, Steve Rathje, Philip Pärnamets, Madalina Vlasceanu, and Eric D. Knowles    Cooperation in the Time of COVID    Jade Butterworth, David Smerdon, Roy Baumeister, and William von Hippel    Managing Fear During Pandemics: Risks and Opportunities   Gaëtan Mertens, Iris M. Engelhard, Derek M. Novacek, and Richard J. McNally    Do COVID-19 Vaccination Policies Backfire? The Effects of Mandates, Vaccination Passports, and Financial Incentives on COVID-19 Vaccination   Bita Fayaz-Farkhad and Haesung Jung    Hits and Misses: Digital Contact Tracing in a Pandemic   Maryanne Garry, Rachel Zajac, Lorraine Hope, Marcel Salathé, Linda Levine, and Thomas A. Merritt    The Impact of School Closures on Learning and Mental Health of Children: Lessons From the COVID-19 Pandemic   Deni Mazrekaj and Kristof De Witte    How Do Pandemic Policies and Communication Shape Intergroup Outcomes? Initial Findings From the COVID-19 Pandemic and Open Questions for Research and Policy   Chadly Stern and Benjamin C. Ruisch 

Feedback on this article? Email  [email protected]  or login to comment. 

APS regularly opens certain online articles for discussion on our website. Effective February 2021, you must be a logged-in APS member to post comments. By posting a comment, you agree to our Community Guidelines and the display of your profile information, including your name and affiliation. Any opinions, findings, conclusions, or recommendations present in article comments are those of the writers and do not necessarily reflect the views of APS or the article’s author. For more information, please see our Community Guidelines .

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A protein called reelin keeps popping up in brains that resist aging and alzheimer’s.

Jon Hamilton 2010

Jon Hamilton

Alzheimer's resilience

A key protein called Reelin may help stave off Alzheimer's disease, according to a growing body of research.

A key protein called Reelin may help stave off Alzheimer's disease, according to a growing body of research. GSO Images/The Image Bank/Getty Images hide caption

A key protein that helps assemble the brain early in life also appears to protect the organ from Alzheimer’s and other diseases of aging.

A trio of studies published in the past year all suggest that the protein Reelin helps maintain thinking and memory in ailing brains, though precisely how it does this remains uncertain. The studies also show that when Reelin levels fall, neurons become more vulnerable.

There’s growing evidence that Reelin acts as a “protective factor” in the brain, says Li-Huei Tsai , a professor at MIT and director of the Picower Institute for Learning and Memory.

“I think we’re on to something important for Alzheimer’s,” Tsai says.

Various pieces of colorful trash, such as plastic bottle caps and plastics forks, are arranged in the shape of a human brain, on a light blue background.

The brain makes a lot of waste. Now scientists think they know where it goes

The research has inspired efforts to develop a drug that boosts Reelin or helps it function better, as a way to stave off cognitive decline.

“You don't have to be a genius to be like, ‘More Reelin, that’s the solution,’” says Dr. Joseph Arboleda-Velasquez of Harvard Medical School and Massachusetts Eye and Ear. “And now we have the tools to do that.”

From Colombia, a very special brain

Reelin became something of a scientific celebrity in 2023, thanks to a study of a Colombian man who should have developed Alzheimer’s in middle age but didn’t.

The man, who worked as a mechanic, was part of a large family that carries a very rare gene variant known as Paisa , a reference to the area around Medellin where it was discovered. Family members who inherit this variant are all but certain to develop Alzheimer’s in middle age.

This PET image shows the brain of a Colombian man whose memory and thinking remained intact in his late 60s, even though he carried a rare gene variant that nearly always causes Alzheimer's in a person's 40s.

This PET image shows the brain of a Colombian man whose memory and thinking remained intact in his late 60s, even though he carried a rare gene variant that nearly always causes Alzheimer's in a person's 40s. Yakeel T. Quiroz-Gaviria and Justin Sanchez/Massachusetts General Hospital hide caption

“They start with cognitive decline in their 40s, and they develop full-blown dementia [in their] late 40s or early 50s,” Arboleda-Velasquez says.

But this man, despite having the variant, remained cognitively intact into his late 60s and wasn’t diagnosed with dementia until he was in his 70s.

After he died at 74, an autopsy revealed that the man’s brain was riddled with sticky amyloid plaques, a hallmark of Alzheimer’s.

Scientists also found another sign of Alzheimer’s — tangled fibers called tau, which can impair neurons. But oddly, these tangles were mostly absent in a brain region called the entorhinal cortex, which is involved in memory.

Want to understand your adolescent? Get to know their brain

Want to understand your adolescent? Get to know their brain

That’s important because this region is usually one of the first to be affected by Alzheimer’s, Arboleda-Velasquez says.

The researchers studied the man’s genome. And they found something that might explain why his brain had been protected.

He carried a rare variant of the gene that makes the protein Reelin. A study in mice found that the variant enhances the protein’s ability to reduce tau tangles.

Although the research focused on a single person, it reverberated through the world of brain science and even got the attention of the (then) acting director of the National Institutes of Health, Lawrence Tabak.

“Sometimes careful study of even just one truly remarkable person can lead the way to fascinating discoveries with far-reaching implications,” Tabak wrote in his blog post about the discovery.

Reelin gets real

After the study of the Colombia man was published, lots of researchers “started to get excited about Reelin,” Tsai says.

Tsai’s team, though, had already been studying the protein’s role in Alzheimer’s.

In September of 2023, the team published an analysis of the brains of 427 people. It found that those who maintained higher cognitive function as they aged tended to have more of a kind of neuron that produces Reelin.

In July of 2024, the group published a study in the journal Nature that provided more support for the Reelin hypothesis.

The study included a highly detailed analysis of post-mortem brains from 48 people. Twenty-six brains came from people who had shown symptoms of Alzheimer’s. The rest came from people who appeared to have normal thinking and memory when they died.

Interestingly, a few of these apparently unaffected people had brains that were full of amyloid plaques.

“We wanted to know, ‘What’s so special about those individuals?’” Tsai says.

So the team did a genetic analysis of the neurons in six different brain regions. They found several differences, including a surprising one in the entorhinal cortex, the same region that appeared to be protected against tau tangles in the man from Colombia.

“The neurons that are most vulnerable to Alzheimer’s neurodegeneration in the entorhinal cortex, they share one feature,” Tsai says: “They highly express Reelin.”

With early Alzheimer's in the family, these sisters decided to test for the gene

With early Alzheimer's in the family, these sisters decided to test for the gene

In other words, Alzheimer’s appears to be selectively damaging the neurons that make Reelin, the protein needed to protect the brain from disease. As a result, Reelin levels decline and the brain becomes more vulnerable.

The finding dovetails with what scientists learned from the Colombian man whose brain defied Alzheimer’s. He had carried a variant of the RELN gene that seemed to make the protein more potent. So that might have offset any Reelin deficiency caused by Alzheimer’s.

At the very least, the study “confirms the importance of Reelin,” Arboleda-Velasques says, “which, I have to say, had been overlooked.”

A breakthrough made thanks to a Colombian family

The Reelin story might never have emerged without the cooperation of about 1,500 members of an extended Colombian family that carries the Paisa gene variant.

The first members of that family were identified in the 1980s by Dr. Francisco Lopera Restrepo , head of the University of Antioquia's Clinical Neurology Department. Since then, members have taken part in a range of studies, including trials of experimental Alzheimer’s drugs.

Along the way, scientists have identified a handful of family members who inherited the Paisa gene variant but have remained cognitively healthy well beyond the age when dementia usually sets in.

Some appear to be protected by an extremely rare version of the APOE gene called the Christchurch variant . Now scientists know that others seem to be protected by the gene responsible for Reelin.

Both of those discoveries were possible because some members of the Colombian family have been examined repeatedly in their own country, and even flown to Boston for brain scans and other advanced tests.

“These people agreed to participate in research, get their blood drawn, and donate their brain after death,” Arboleda-Velasquez says. “And they changed the world.”

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how are critical thinking and science related

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COMMENTS

  1. Understanding the Complex Relationship between Critical Thinking and

    In a similar vein, the content-related, epistemological aspects of science reasoning, as well as the conventions associated with writing the undergraduate thesis (including feedback from peers and revision), may explain the lack of significant relationships between some science reasoning dimensions and some critical-thinking skills that might ...

  2. Critical Thinking in Science: Fostering Scientific Reasoning Skills in

    Critical thinking is essential in science. It's what naturally takes students in the direction of scientific reasoning since evidence is a key component of this style of thought. It's not just about whether evidence is available to support a particular answer but how valid that evidence is. It's about whether the information the student ...

  3. Scientific Thinking and Critical Thinking in Science Education

    In consulting technical reports, theoretical frameworks, research, and curricular reforms related to science education, one commonly finds appeals to scientific thinking and critical thinking as essential educational processes or objectives. This is confirmed in some studies that include exhaustive reviews of the literature in this regard such as those of Bailin (), Costa et al. (), and Santos ...

  4. Understanding the Complex Relationship between Critical Thinking and

    Developing critical-thinking and scientific reasoning skills are core learning objectives of science education, but little empirical evidence exists regarding the interrelationships between these constructs. Writing effectively fosters students' development of these constructs, and it offers a unique window into studying how they relate. In this study of undergraduate thesis writing in ...

  5. Thinking critically on critical thinking: why scientists' skills need

    Critical thinking is a reflective and analytical style of thinking, with its basis in logic, rationality, and synthesis. ... whereby students must figure out the key issues related to a case and ...

  6. PDF The Role of Critical Thinking in Science Education

    The discrepancies This 1 Why (NOS) in school science Findings Role assertion According is of important Critical deemed is to based Hag Thinking Critical crucial on p some A. Yacoubian thinking linked and in authors the to increasingly context in the context Critical affirmations, (2015), of Science, thinking. are present there of as Science ...

  7. Bridging critical thinking and transformative learning: The role of

    In recent decades, approaches to critical thinking have generally taken a practical turn, pivoting away from more abstract accounts - such as emphasizing the logical relations that hold between statements (Ennis, 1964) - and moving toward an emphasis on belief and action.According to the definition that Robert Ennis (2018) has been advocating for the last few decades, critical thinking is ...

  8. Critical thinking

    Critical thinking is characterized by a broad set of related skills usually including the abilities to. break down a problem into its constituent parts to reveal its underlying logic and assumptions. recognize and account for one's own biases in judgment and experience.

  9. On Critical Thinking

    Theoretical Domain. Theoretical critical thinking involves helping the student develop an appreciation for scientific explanations of behavior. This means learning not just the content of psychology but how and why psychology is organized into concepts, principles, laws, and theories. Developing theoretical skills begins in the introductory ...

  10. Understanding the Complex Relationship between Critical Thinking and

    We find that scientific reasoning in writing is strongly related to inference, while other aspects of science reasoning that emerge in writing (epistemological considerations, writing conventions, etc.) are not significantly related to critical-thinking skills. Science reasoning in writing is not merely a proxy for critical thinking.

  11. What Is Critical Thinking?

    Critical thinking is the ability to effectively analyze information and form a judgment. To think critically, you must be aware of your own biases and assumptions when encountering information, and apply consistent standards when evaluating sources. Critical thinking skills help you to: Identify credible sources. Evaluate and respond to arguments.

  12. Students' and teachers' critical thinking in science education: are

    We suggest that critical thinking may need to become an essential and explicit outcome of science education to help establish a relationship between students' and teachers' critical thinking and promote the correlation between critical thinking of students and teachers and students' science achievement.

  13. (PDF) Scientific thinking and critical thinking in science education

    related to science education, one commonly finds appeals to scientific thinking and critical thinking as essential educational processes or objectives. This is confirmed in some studies

  14. PDF Critical thinking: Conceptual clarification and its importance in ...

    development of critical thinking‖ (p. 95). Critical Thinking and Science Education Besides the reasons previously presented for the interest in CT, specifically in Science Education, science education can and should be a central component in education, dedicated to the promotion of rationality and CT (Siegel, 1989).

  15. The Relationship Between Scientific Method & Critical Thinking

    Critical thinking initiates the act of hypothesis. In the scientific method, the hypothesis is the initial supposition, or theoretical claim about the world, based on questions and observations. If critical thinking asks the question, then the hypothesis is the best attempt at the time to answer the question using observable phenomenon.

  16. Science, method and critical thinking

    Before illustrating the key requirements for critical thinking, one point must be made clear from the outset: thinking involves using language, and the depth of thought is directly related to the 'active' vocabulary (Magyar, 1942) used by the thinker.A recent study of young students in France showed that a significant percentage of the population had a very limited vocabulary.

  17. Eight Instructional Strategies for Promoting Critical Thinking

    Students grappled with ideas and their beliefs and employed deep critical-thinking skills to develop arguments for their claims. Embedding critical-thinking skills in curriculum that students care ...

  18. Understanding the Complex Relationship between Critical Thinking and

    Developing critical-thinking and scientific reasoning skills are core learning objectives of science education, but little empirical evidence exists regarding the interrelationships between these constructs. Writing effectively fosters students' development of these constructs, and it offers a unique window into studying how they relate. In this study of undergraduate thesis writing in biology ...

  19. Critical Thinking and Decision-Making

    Definition. Simply put, critical thinking is the act of deliberately analyzing information so that you can make better judgements and decisions. It involves using things like logic, reasoning, and creativity, to draw conclusions and generally understand things better. This may sound like a pretty broad definition, and that's because critical ...

  20. 11 Activities That Promote Critical Thinking In The Class

    6. Start a Debate. In this activity, the teacher can act as a facilitator and spark an interesting conversation in the class on any given topic. Give a small introductory speech on an open-ended topic. The topic can be related to current affairs, technological development or a new discovery in the field of science.

  21. Researchers are exploring new ways to learn that make science more

    Connecting science and real life. OSCs have so far been set up in six European countries: Cyprus, Germany, Italy, Slovenia, Spain and Sweden. Students in all six countries were given the ...

  22. PDF Scientists need more time to think

    Thinking time is often undervalued; it is rarely, if ever, quantified in employment practices." require all members, thus avoiding individual members

  23. New research shows that transcendent thinking can increase teens' sense

    Patterns of thinking across adolescence not only organize brain development for emotional stability and wellbeing, but also are critical for a smooth transition to productive young adulthood." The sages also benefitted, she notes. "Though we did not include these results in the current paper, the older adults also benefitted.

  24. Understanding the Complex Relationship between Critical Thinking and

    related to critical-thinking skills. Science reasoning in writing is not merely a proxy for criti - cal thinking. In linking features of students' writing to their critical-thinking skills, this study 1) provides a bridge to prior work suggesting that engagement in science writing enhances

  25. Journal Collection Examines Psychological Science in Pandemics

    The COVID-19 pandemic exposed critical weaknesses in public health communication around the world that fueled the spread of false information, political polarization, interpersonal conflict, and confusing policies.. In a special collection published in Perspectives on Psychological Science, researchers discuss how psychological science can help policymakers and the public understand and ...

  26. A protein called Reelin may help protect brains against aging and

    A key protein that helps assemble the brain early in life also appears to protect the organ from Alzheimer's and other diseases of aging. A trio of studies published in the past year all suggest ...

  27. 2024-2025 California State University General Education Requirements

    A3 Critical Thinking: COMM 311**, 315, 316; ... B2, and B4 for a minimum of nine units. At least one of the courses in B1 or B2 must include a related laboratory, designated with an (L). The lecture course must be taken concurrently with or prior to the laboratory. There is no Area B3 because it is the laboratory activity that is included in B1 ...

  28. First Year Experience

    Through courses that emphasize critical thinking in writing, visual literacy, the sciences, and art history, you'll cultivate an understanding of context and culture. Our program encourages you to develop a persistent self-reflective stance, a willingness to rethink traditional categories, and an opportunity to explore newly evolving realities.

  29. High School Teacher

    QUALIFICATIONS: Appointed by Board of Education. Properly credentialed for the areas of assigned services. Must be able to communicate and establish rapport and good human relations with students, teachers, parents and administrators. GENERAL DUTIES AND RESPONSIBILITIES: Teaches courses in subjects in assigned area. Maintains professional competence through participation in inservice education ...

  30. Based on ideology theory: a corpus-oriented analysis of the UK

    Employing a three-dimensional critical discourse analysis (3d-CDA), the study scrutinized sample news articles, revealing ideological underpinnings across various dimensions and frames. The analysis indicates a growing negativity towards the BRI in European English media, with sentiments averaging 38% from 2015 to 2023 and peaking at 56% and 54 ...