critical thinking and philosophers

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Supplement to Critical Thinking

This supplement elaborates on the history of the articulation, promotion and adoption of critical thinking as an educational goal.

John Dewey (1910: 74, 82) introduced the term ‘critical thinking’ as the name of an educational goal, which he identified with a scientific attitude of mind. More commonly, he called the goal ‘reflective thought’, ‘reflective thinking’, ‘reflection’, or just ‘thought’ or ‘thinking’. He describes his book as written for two purposes. The first was to help people to appreciate the kinship of children’s native curiosity, fertile imagination and love of experimental inquiry to the scientific attitude. The second was to help people to consider how recognizing this kinship in educational practice “would make for individual happiness and the reduction of social waste” (iii). He notes that the ideas in the book obtained concreteness in the Laboratory School in Chicago.

Dewey’s ideas were put into practice by some of the schools that participated in the Eight-Year Study in the 1930s sponsored by the Progressive Education Association in the United States. For this study, 300 colleges agreed to consider for admission graduates of 30 selected secondary schools or school systems from around the country who experimented with the content and methods of teaching, even if the graduates had not completed the then-prescribed secondary school curriculum. One purpose of the study was to discover through exploration and experimentation how secondary schools in the United States could serve youth more effectively (Aikin 1942). Each experimental school was free to change the curriculum as it saw fit, but the schools agreed that teaching methods and the life of the school should conform to the idea (previously advocated by Dewey) that people develop through doing things that are meaningful to them, and that the main purpose of the secondary school was to lead young people to understand, appreciate and live the democratic way of life characteristic of the United States (Aikin 1942: 17–18). In particular, school officials believed that young people in a democracy should develop the habit of reflective thinking and skill in solving problems (Aikin 1942: 81). Students’ work in the classroom thus consisted more often of a problem to be solved than a lesson to be learned. Especially in mathematics and science, the schools made a point of giving students experience in clear, logical thinking as they solved problems. The report of one experimental school, the University School of Ohio State University, articulated this goal of improving students’ thinking:

Critical or reflective thinking originates with the sensing of a problem. It is a quality of thought operating in an effort to solve the problem and to reach a tentative conclusion which is supported by all available data. It is really a process of problem solving requiring the use of creative insight, intellectual honesty, and sound judgment. It is the basis of the method of scientific inquiry. The success of democracy depends to a large extent on the disposition and ability of citizens to think critically and reflectively about the problems which must of necessity confront them, and to improve the quality of their thinking is one of the major goals of education. (Commission on the Relation of School and College of the Progressive Education Association 1943: 745–746)

The Eight-Year Study had an evaluation staff, which developed, in consultation with the schools, tests to measure aspects of student progress that fell outside the focus of the traditional curriculum. The evaluation staff classified many of the schools’ stated objectives under the generic heading “clear thinking” or “critical thinking” (Smith, Tyler, & Evaluation Staff 1942: 35–36). To develop tests of achievement of this broad goal, they distinguished five overlapping aspects of it: ability to interpret data, abilities associated with an understanding of the nature of proof, and the abilities to apply principles of science, of social studies and of logical reasoning. The Eight-Year Study also had a college staff, directed by a committee of college administrators, whose task was to determine how well the experimental schools had prepared their graduates for college. The college staff compared the performance of 1,475 college students from the experimental schools with an equal number of graduates from conventional schools, matched in pairs by sex, age, race, scholastic aptitude scores, home and community background, interests, and probable future. They concluded that, on 18 measures of student success, the graduates of the experimental schools did a somewhat better job than the comparison group. The graduates from the six most traditional of the experimental schools showed no large or consistent differences. The graduates from the six most experimental schools, on the other hand, had much greater differences in their favour. The graduates of the two most experimental schools, the college staff reported:

… surpassed their comparison groups by wide margins in academic achievement, intellectual curiosity, scientific approach to problems, and interest in contemporary affairs. The differences in their favor were even greater in general resourcefulness, in enjoyment of reading, [in] participation in the arts, in winning non-academic honors, and in all aspects of college life except possibly participation in sports and social activities. (Aikin 1942: 114)

One of these schools was a private school with students from privileged families and the other the experimental section of a public school with students from non-privileged families. The college staff reported that the graduates of the two schools were indistinguishable from each other in terms of college success.

In 1933 Dewey issued an extensively rewritten edition of his How We Think (Dewey 1910), with the sub-title “A restatement of the relation of reflective thinking to the educative process”. Although the restatement retains the basic structure and content of the original book, Dewey made a number of changes. He rewrote and simplified his logical analysis of the process of reflection, made his ideas clearer and more definite, replaced the terms ‘induction’ and ‘deduction’ by the phrases ‘control of data and evidence’ and ‘control of reasoning and concepts’, added more illustrations, rearranged chapters, and revised the parts on teaching to reflect changes in schools since 1910. In particular, he objected to one-sided practices of some “experimental” and “progressive” schools that allowed children freedom but gave them no guidance, citing as objectionable practices novelty and variety for their own sake, experiences and activities with real materials but of no educational significance, treating random and disconnected activity as if it were an experiment, failure to summarize net accomplishment at the end of an inquiry, non-educative projects, and treatment of the teacher as a negligible factor rather than as “the intellectual leader of a social group” (Dewey 1933: 273). Without explaining his reasons, Dewey eliminated the previous edition’s uses of the words ‘critical’ and ‘uncritical’, thus settling firmly on ‘reflection’ or ‘reflective thinking’ as the preferred term for his subject-matter. In the revised edition, the word ‘critical’ occurs only once, where Dewey writes that “a person may not be sufficiently critical about the ideas that occur to him” (1933: 16, italics in original); being critical is thus a component of reflection, not the whole of it. In contrast, the Eight-Year Study by the Progressive Education Association treated ‘critical thinking’ and ‘reflective thinking’ as synonyms.

In the same period, Dewey collaborated on a history of the Laboratory School in Chicago with two former teachers from the school (Mayhew & Edwards 1936). The history describes the school’s curriculum and organization, activities aimed at developing skills, parents’ involvement, and the habits of mind that the children acquired. A concluding chapter evaluates the school’s achievements, counting as a success its staging of the curriculum to correspond to the natural development of the growing child. In two appendices, the authors describe the evolution of Dewey’s principles of education and Dewey himself describes the theory of the Chicago experiment (Dewey 1936).

Glaser (1941) reports in his doctoral dissertation the method and results of an experiment in the development of critical thinking conducted in the fall of 1938. He defines critical thinking as Dewey defined reflective thinking:

Critical thinking calls for a persistent effort to examine any belief or supposed form of knowledge in the light of the evidence that supports it and the further conclusions to which it tends. (Glaser 1941: 6; cf. Dewey 1910: 6; Dewey 1933: 9)

In the experiment, eight lesson units directed at improving critical thinking abilities were taught to four grade 12 high school classes, with pre-test and post-test of the students using the Otis Quick-Scoring Mental Ability Test and the Watson-Glaser Tests of Critical Thinking (developed in collaboration with Glaser’s dissertation sponsor, Goodwin Watson). The average gain in scores on these tests was greater to a statistically significant degree among the students who received the lessons in critical thinking than among the students in a control group of four grade 12 high school classes taking the usual curriculum in English. Glaser concludes:

The aspect of critical thinking which appears most susceptible to general improvement is the attitude of being disposed to consider in a thoughtful way the problems and subjects that come within the range of one’s experience. An attitude of wanting evidence for beliefs is more subject to general transfer. Development of skill in applying the methods of logical inquiry and reasoning, however, appears to be specifically related to, and in fact limited by, the acquisition of pertinent knowledge and facts concerning the problem or subject matter toward which the thinking is to be directed. (Glaser 1941: 175)

Retest scores and observable behaviour indicated that students in the intervention group retained their growth in ability to think critically for at least six months after the special instruction.

In 1948 a group of U.S. college examiners decided to develop taxonomies of educational objectives with a common vocabulary that they could use for communicating with each other about test items. The first of these taxonomies, for the cognitive domain, appeared in 1956 (Bloom et al. 1956), and included critical thinking objectives. It has become known as Bloom’s taxonomy. A second taxonomy, for the affective domain (Krathwohl, Bloom, & Masia 1964), and a third taxonomy, for the psychomotor domain (Simpson 1966–67), appeared later. Each of the taxonomies is hierarchical, with achievement of a higher educational objective alleged to require achievement of corresponding lower educational objectives.

Bloom’s taxonomy has six major categories. From lowest to highest, they are knowledge, comprehension, application, analysis, synthesis, and evaluation. Within each category, there are sub-categories, also arranged hierarchically from the educationally prior to the educationally posterior. The lowest category, though called ‘knowledge’, is confined to objectives of remembering information and being able to recall or recognize it, without much transformation beyond organizing it (Bloom et al. 1956: 28–29). The five higher categories are collectively termed “intellectual abilities and skills” (Bloom et al. 1956: 204). The term is simply another name for critical thinking abilities and skills:

Although information or knowledge is recognized as an important outcome of education, very few teachers would be satisfied to regard this as the primary or the sole outcome of instruction. What is needed is some evidence that the students can do something with their knowledge, that is, that they can apply the information to new situations and problems. It is also expected that students will acquire generalized techniques for dealing with new problems and new materials. Thus, it is expected that when the student encounters a new problem or situation, he will select an appropriate technique for attacking it and will bring to bear the necessary information, both facts and principles. This has been labeled “critical thinking” by some, “reflective thinking” by Dewey and others, and “problem solving” by still others. In the taxonomy, we have used the term “intellectual abilities and skills”. (Bloom et al. 1956: 38)

Comprehension and application objectives, as their names imply, involve understanding and applying information. Critical thinking abilities and skills show up in the three highest categories of analysis, synthesis and evaluation. The condensed version of Bloom’s taxonomy (Bloom et al. 1956: 201–207) gives the following examples of objectives at these levels:

• analysis objectives : ability to recognize unstated assumptions, ability to check the consistency of hypotheses with given information and assumptions, ability to recognize the general techniques used in advertising, propaganda and other persuasive materials
• synthesis objectives : organizing ideas and statements in writing, ability to propose ways of testing a hypothesis, ability to formulate and modify hypotheses
• evaluation objectives : ability to indicate logical fallacies, comparison of major theories about particular cultures

The analysis, synthesis and evaluation objectives in Bloom’s taxonomy collectively came to be called the “higher-order thinking skills” (Tankersley 2005: chap. 5). Although the analysis-synthesis-evaluation sequence mimics phases in Dewey’s (1933) logical analysis of the reflective thinking process, it has not generally been adopted as a model of a critical thinking process. While commending the inspirational value of its ratio of five categories of thinking objectives to one category of recall objectives, Ennis (1981b) points out that the categories lack criteria applicable across topics and domains. For example, analysis in chemistry is so different from analysis in literature that there is not much point in teaching analysis as a general type of thinking. Further, the postulated hierarchy seems questionable at the higher levels of Bloom’s taxonomy. For example, ability to indicate logical fallacies hardly seems more complex than the ability to organize statements and ideas in writing.

A revised version of Bloom’s taxonomy (Anderson et al. 2001) distinguishes the intended cognitive process in an educational objective (such as being able to recall, to compare or to check) from the objective’s informational content (“knowledge”), which may be factual, conceptual, procedural, or metacognitive. The result is a so-called “Taxonomy Table” with four rows for the kinds of informational content and six columns for the six main types of cognitive process. The authors name the types of cognitive process by verbs, to indicate their status as mental activities. They change the name of the ‘comprehension’ category to ‘understand’ and of the ‘synthesis’ category to ’create’, and switch the order of synthesis and evaluation. The result is a list of six main types of cognitive process aimed at by teachers: remember, understand, apply, analyze, evaluate, and create. The authors retain the idea of a hierarchy of increasing complexity, but acknowledge some overlap, for example between understanding and applying. And they retain the idea that critical thinking and problem solving cut across the more complex cognitive processes. The terms ‘critical thinking’ and ‘problem solving’, they write:

are widely used and tend to become touchstones of curriculum emphasis. Both generally include a variety of activities that might be classified in disparate cells of the Taxonomy Table. That is, in any given instance, objectives that involve problem solving and critical thinking most likely call for cognitive processes in several categories on the process dimension. For example, to think critically about an issue probably involves some Conceptual knowledge to Analyze the issue. Then, one can Evaluate different perspectives in terms of the criteria and, perhaps, Create a novel, yet defensible perspective on this issue. (Anderson et al. 2001: 269–270; italics in original)

In the revised taxonomy, only a few sub-categories, such as inferring, have enough commonality to be treated as a distinct critical thinking ability that could be taught and assessed as a general ability.

A landmark contribution to philosophical scholarship on the concept of critical thinking was a 1962 article in the Harvard Educational Review by Robert H. Ennis, with the title “A concept of critical thinking: A proposed basis for research in the teaching and evaluation of critical thinking ability” (Ennis 1962). Ennis took as his starting-point a conception of critical thinking put forward by B. Othanel Smith:

We shall consider thinking in terms of the operations involved in the examination of statements which we, or others, may believe. A speaker declares, for example, that “Freedom means that the decisions in America’s productive effort are made not in the minds of a bureaucracy but in the free market”. Now if we set about to find out what this statement means and to determine whether to accept or reject it, we would be engaged in thinking which, for lack of a better term, we shall call critical thinking. If one wishes to say that this is only a form of problem-solving in which the purpose is to decide whether or not what is said is dependable, we shall not object. But for our purposes we choose to call it critical thinking. (Smith 1953: 130)

Adding a normative component to this conception, Ennis defined critical thinking as “the correct assessing of statements” (Ennis 1962: 83). On the basis of this definition, he distinguished 12 “aspects” of critical thinking corresponding to types or aspects of statements, such as judging whether an observation statement is reliable and grasping the meaning of a statement. He noted that he did not include judging value statements. Cutting across the 12 aspects, he distinguished three dimensions of critical thinking: logical (judging relationships between meanings of words and statements), criterial (knowledge of the criteria for judging statements), and pragmatic (the impression of the background purpose). For each aspect, Ennis described the applicable dimensions, including criteria. He proposed the resulting construct as a basis for developing specifications for critical thinking tests and for research on instructional methods and levels.

In the 1970s and 1980s there was an upsurge of attention to the development of thinking skills. The annual International Conference on Critical Thinking and Educational Reform has attracted since its start in 1980 tens of thousands of educators from all levels. In 1983 the College Entrance Examination Board proclaimed reasoning as one of six basic academic competencies needed by college students (College Board 1983). Departments of education in the United States and around the world began to include thinking objectives in their curriculum guidelines for school subjects. For example, Ontario’s social sciences and humanities curriculum guideline for secondary schools requires “the use of critical and creative thinking skills and/or processes” as a goal of instruction and assessment in each subject and course (Ontario Ministry of Education 2013: 30). The document describes critical thinking as follows:

Critical thinking is the process of thinking about ideas or situations in order to understand them fully, identify their implications, make a judgement, and/or guide decision making. Critical thinking includes skills such as questioning, predicting, analysing, synthesizing, examining opinions, identifying values and issues, detecting bias, and distinguishing between alternatives. Students who are taught these skills become critical thinkers who can move beyond superficial conclusions to a deeper understanding of the issues they are examining. They are able to engage in an inquiry process in which they explore complex and multifaceted issues, and questions for which there may be no clear-cut answers (Ontario Ministry of Education 2013: 46).

Sweden makes schools responsible for ensuring that each pupil who completes compulsory school “can make use of critical thinking and independently formulate standpoints based on knowledge and ethical considerations” (Skolverket 2018: 12). Subject syllabi incorporate this requirement, and items testing critical thinking skills appear on national tests that are a required step toward university admission. For example, the core content of biology, physics and chemistry in years 7-9 includes critical examination of sources of information and arguments encountered by pupils in different sources and social discussions related to these sciences, in both digital and other media. (Skolverket 2018: 170, 181, 192). Correspondingly, in year 9 the national tests require using knowledge of biology, physics or chemistry “to investigate information, communicate and come to a decision on issues concerning health, energy, technology, the environment, use of natural resources and ecological sustainability” (see the message from the School Board ). Other jurisdictions similarly embed critical thinking objectives in curriculum guidelines.

At the college level, a new wave of introductory logic textbooks, pioneered by Kahane (1971), applied the tools of logic to contemporary social and political issues. Popular contemporary textbooks of this sort include those by Bailin and Battersby (2016b), Boardman, Cavender and Kahane (2018), Browne and Keeley (2018), Groarke and Tindale (2012), and Moore and Parker (2020). In their wake, colleges and universities in North America transformed their introductory logic course into a general education service course with a title like ‘critical thinking’ or ‘reasoning’. In 1980, the trustees of California’s state university and colleges approved as a general education requirement a course in critical thinking, described as follows:

Instruction in critical thinking is to be designed to achieve an understanding of the relationship of language to logic, which should lead to the ability to analyze, criticize, and advocate ideas, to reason inductively and deductively, and to reach factual or judgmental conclusions based on sound inferences drawn from unambiguous statements of knowledge or belief. The minimal competence to be expected at the successful conclusion of instruction in critical thinking should be the ability to distinguish fact from judgment, belief from knowledge, and skills in elementary inductive and deductive processes, including an understanding of the formal and informal fallacies of language and thought. (Dumke 1980)

Since December 1983, the Association for Informal Logic and Critical Thinking has sponsored sessions at the three annual divisional meetings of the American Philosophical Association. In December 1987, the Committee on Pre-College Philosophy of the American Philosophical Association invited Peter Facione to make a systematic inquiry into the current state of critical thinking and critical thinking assessment. Facione assembled a group of 46 other academic philosophers and psychologists to participate in a multi-round Delphi process, whose product was entitled Critical Thinking: A Statement of Expert Consensus for Purposes of Educational Assessment and Instruction (Facione 1990a). The statement listed abilities and dispositions that should be the goals of a lower-level undergraduate course in critical thinking. Researchers in nine European countries determined which of these skills and dispositions employers expect of university graduates (Dominguez 2018 a), compared those expectations to critical thinking educational practices in post-secondary educational institutions (Dominguez 2018b), developed a course on critical thinking education for university teachers (Dominguez 2018c) and proposed in response to identified gaps between expectations and practices an “educational protocol” that post-secondary educational institutions in Europe could use to develop critical thinking (Elen et al. 2019).

Copyright © 2022 by David Hitchcock < hitchckd @ mcmaster . ca >

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A Brief History of the Idea of Critical Thinking

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Philosophy Behind Critical Thinking: A Concise Overview

The philosophy behind critical thinking delves into the deeper understanding of what it means to think critically and to develop the ability to reason, analyze, and evaluate information in a structured and systematic manner. Critical thinking has intricate connections with philosophy, mainly because it originated from ancient philosophical teachings. At its core, the concept of critical thinking is rooted in the Socratic method of questioning, which emphasizes the importance of inquiry and rational thinking as a means to achieve knowledge.

Understanding critical thinking necessitates exploring the various philosophical groundings, which delves into epistemology, the branch of philosophy that deals with knowledge, truth, and belief. Epistemological theories help elucidate different approaches to critical thinking, such as the psychological approach, focusing on cognitive processes, and the cultural and social context approach, emphasizing the importance of context in shaping critical thought. In the realm of education, the role of critical thinking cannot be understated, as it is a vital component of teaching and learning, shaping the way individuals process and interpret information and develop intellectually.

Key Takeaways

• Critical thinking is deeply rooted in ancient philosophical teachings, particularly the Socratic method of questioning.
• Different philosophical groundings provide varying approaches to critical thinking, such as psychological and cultural/social context approaches.
• The importance of critical thinking in education is paramount, as it shapes how individuals process, interpret, and develop intellectually.

Understanding Critical Thinking

Definition and process.

Critical thinking is the ability to think clearly and rationally about what to do or what to believe. It involves engaging in reflective and independent thinking . To understand the logical connections between ideas, one needs to identify, construct, and evaluate arguments.

Logic, Reason, Rationality

Logic, reason, and rationality are essential components of critical thinking. Logic refers to the systematic approach to reasoning and validating claims through principles and rules. Reasoning, on the other hand, is the process of drawing conclusions based on logic, evidence, and assumptions. Rationality encompasses the use of logic and reason to make well-informed decisions, judgments, and evaluations.

Strategies and Patterns

To develop critical thinking skills , individuals must employ various strategies and recognize patterns in their thinking. Some common strategies include:

• Analysis : Breaking down complex problems, data, or texts into simpler parts to understand what they mean and explain the implications to others.
• Interpretation : Making sense of information and grasping its relevance in a given context.
• Inference : Drawing reasonable conclusions based on available evidence and logic.
• Evaluation : Assessing the credibility and validity of claims, arguments, or sources of information.

Recognizing patterns in thinking involves identifying common errors, biases, and other factors that might hinder critical thinking and refining one’s thought process accordingly.

Justification and Argumentation

Justification and argumentation play a crucial role in critical thinking. Justification refers to providing reasons or evidence in support of a claim, while argumentation involves constructing and evaluating arguments . Both justification and argumentation require logical reasoning, analysis of evidence, and clear communication of ideas.

Clarity and Reflection

Clarity is essential for effective critical thinking. This entails expressing ideas and arguments in a clear, concise, and organized manner. Furthermore, critical thinkers must also engage in reflection — the process of examining their own thought processes, assumptions, and biases. Reflecting on one’s beliefs and values helps individuals refine their thinking and develop a more nuanced understanding of the world around them.

In conclusion, understanding critical thinking involves exploring its definition, process, and key components, such as logic, reason, rationality, strategies, patterns, justification, argumentation, clarity, and reflection. By cultivating a strong foundation in these areas, individuals can develop their ability to think critically and make well-informed decisions in various aspects of life.

Psychological Approach to Critical Thinking

Cognition and Pattern Recognition

The psychological approach to critical thinking emphasizes the role of cognition and pattern recognition in the process. Cognitive psychologists recognize that our minds have a natural ability to identify patterns and relationships in the information we encounter. This involves categorizing, comparing, and evaluating various pieces of information. By developing cognitive skills, individuals can more effectively analyze and evaluate complex arguments, ultimately fostering their critical thinking abilities.

Bias and Judgments

Another aspect of the psychological approach to critical thinking is the examination of biases and judgments. Bias refers to the systematic errors or distortions in human reasoning that can arise from emotions, beliefs, or external factors. When individuals possess a strong bias, it can impede their ability to think critically and accurately evaluate information. By being aware of these biases and actively seeking to minimize their influence, one can improve their critical thinking skills and make more accurate judgments.

Problem-Solving and Decision-Making

Finally, the psychological approach to critical thinking also emphasizes the importance of problem-solving and decision-making abilities. Effective problem-solving is accomplished by identifying the problem, gathering and evaluating relevant information, and formulating potential solutions. Strong decision-making skills involve comparing potential solutions and selecting the most effective one based on logical reasoning and evidence.

In conclusion, the psychological approach to critical thinking focuses on fostering cognitive skills, identifying and minimizing biases, and developing strong problem-solving and decision-making abilities. By enhancing these aspects, individuals can become more effective critical thinkers and make well-informed decisions throughout their lives.

Philosophical Groundings

Roots of critical thought.

The roots of critical thought can be traced back to ancient Greek philosophy , particularly the ideas developed by Socrates, Plato, and Aristotle. In their teachings, these philosophers emphasized the importance of questioning and examining beliefs, seeking evidence, and evaluating arguments logically. Through these pursuits, they laid a strong foundation for the development of critical thinking in modern times.

Major Philosophers and Approaches

Several major philosophers and their approaches have significantly contributed to the evolution of critical thinking. Among them, Socrates’ method of inquiry, known as the Socratic Method, involves continuous questioning and probing for deeper understanding. Plato, a student of Socrates, focused on the power of dialectical reasoning, urging individuals to engage in dialogue and debate to examine their own beliefs and the beliefs of others.

Aristotle contributed to critical thinking by emphasizing the importance of logic and coherent reasoning to gain knowledge. He also explored rhetoric, expounding on its role in persuasive argumentation. In more recent times, figures such as John Dewey and Karl Marx have provided insights into the role of critical thinking in education and social transformation.

Informal Logic and its Importance

Informal logic plays a crucial role in critical thinking as it concerns the principles and methods used to analyze everyday arguments and reasoning beyond the scope of formal logic. It complements formal logic, which deals strictly with logical systems and symbols. Informal logic helps individuals assess the validity, soundness, and context of arguments encountered in daily life. By honing their skills in informal logic, individuals can become better critical thinkers and more adept at navigating complex situations and decision-making processes.

Through the teachings of philosophers like Plato, Aristotle, and Socrates, as well as the application of informal logic and logical reasoning, the concept of critical thinking has evolved into an essential aspect of learning and decision-making in modern society. Embracing these foundational elements can empower individuals to develop the skills necessary to think critically and effectively in various aspects of life.

Critical Thinking in Cultural and Social Context

Race and gender perspectives.

Critical thinking is a universal skill that transcends cultural and social boundaries. However, it is essential to consider the impact of race and gender on the development and exercise of critical thinking skills . People from marginalized groups may experience unique challenges and perspectives that influence their critical thinking abilities. For example, in a cross-cultural study examining critical thinking among nurse scholars in Thailand and the United States, distinctive perspectives on critical thinking were observed due to cultural differences. Understanding the intersections of race, gender, and critical thinking can help create more inclusive education and workplace environments that foster critical thinking for everyone.

Critical Thinking in a Democratic Society

In a democratic society, critical thinking plays a crucial role in informed decision-making, civic engagement, and open discussion. The healthy functioning of a democracy relies on the citizens’ capacity to discern reliable information, assess arguments, and make rational choices. According to the Stanford Encyclopedia of Philosophy , critical thinking includes abilities and dispositions that lead individuals to think critically when appropriate. Developing these skills allows members of democratic societies to engage in productive debates, evaluate policies, and hold leaders accountable.

Culture, Society, and Critical Thinking

Cultural backgrounds and societal norms can significantly impact how individuals approach critical thinking. Different cultures may emphasize various ways of thinking, problem-solving, and expressing ideas. As a result, critical thinking can manifest differently across cultures, often influenced by aspects such as language, traditions, and values. A study discussing critical thinking in its historical and social contexts highlights the importance of considering cultural influences when evaluating and teaching critical thinking.

In summary, critical thinking is an essential skill across various cultural, racial, gender, and social contexts. By acknowledging these differences and understanding the significance of critical thinking in democratic societies, educators and societies can promote a more inclusive environment for cultivating critical thinking skills .

Role of Critical Thinking in Education

Aims of education.

The primary aim of education is to foster the development of individuals’ cognitive capabilities, empowering them to grow into confident, knowledgeable and discerning adults. Critical thinking plays a significant role in education as it helps students acquire and apply knowledge more effectively, by analyzing, evaluating, and synthesizing information from diverse sources in a systematic manner, leading to more accurate and informed decisions.

In addition, critical thinking allows students to question existing knowledge and challenge conventional wisdom, thus avoiding indoctrination and promoting intellectual independence. This helps in nurturing open-minded and critical citizens who can contribute positively to society.

Skills Development

Critical thinking involves a variety of skills and abilities that are essential for students’ personal and professional success. These include problem-solving, decision making, logical reasoning, and effective communication, among others. By teaching these skills in the classroom, educators enable learners to confront complex issues and dilemmas with confidence and clarity, fostering their cognitive, social, and emotional growth.

Classroom activities focused on critical thinking are essential to help students develop a systematic approach to problem-solving and sharpen their analytical skills. Practical tasks, like debates, group discussions, case studies, or role plays, can be employed to engage students in active learning, thus enhancing their critical thought processes.

Standardized Tests vs. Critical Thought

While standardized tests have dominated the contemporary education system, there is growing concern regarding their effectiveness in promoting critical thinking. Some argue that standardized tests prioritize the acquisition of specific knowledge over the development of essential skills and abilities, leading to an education that is more focused on rote memorization than meaningful learning.

However, introducing critical thinking elements in the curriculum or classroom activities does not require a complete removal of standardized tests. Educators can strike a balance between knowledge acquisition and skill development by incorporating critical thinking exercises in conjunction with traditional assessments. In doing so, students can better prepare for life beyond the classroom, developing a mindset that values continuous learning, reflection, and intellectual curiosity.

Importance of Open-Mindedness and Skepticism

Being skeptical vs. being cynical.

It is essential to understand the difference between being skeptical and being cynical. Skepticism in critical thinking involves questioning assertions and assumptions, seeking evidence, and evaluating arguments from a neutral, objective viewpoint. On the other hand, cynicism is a distrustful attitude, where one assumes negative intentions or outcomes.

A critical thinker should strive to be skeptical rather than cynical. Approaching situations with skepticism allows for the exploration of different viewpoints and the willingness to change one’s mind based on new evidence, while cynicism can lead to the dismissal of valid arguments due to preconceived negative beliefs.

Traits of an Open-Minded Thinker

Open-mindedness is an essential trait for critical thinkers. Some key characteristics of an open-minded thinker include:

• Cognitive flexibility : Adapting to and considering new information or perspectives.
• Tolerance for ambiguity : Accepting the possibility that there may be multiple valid solutions or interpretations.
• Willingness to change : Being open to revising beliefs and opinions when presented with strong evidence or arguments.

Being open-minded allows critical thinkers to explore various perspectives and ideas and to evaluate them fairly. This inclination towards cognitive flexibility helps in avoiding rigidity in thinking, enabling better decision-making and problem-solving.

Role of Curiosity and Empathy in Critical Thinking

Curiosity and empathy play crucial roles in effective critical thinking. A curious individual seeks knowledge and understanding, thus asking relevant questions and engaging in Socratic questioning. Socratic questioning is a method of probing and analyzing through questions to encourage self-reflection and deeper understanding. This technique fosters critical thinking by challenging assumptions and providing opportunities to explore diverse viewpoints.

Empathy, on the other hand, permits critical thinkers to comprehend and appreciate different perspectives by placing themselves in others’ shoes. An empathetic approach contributes to open-mindedness and cultivates a sense of humility, recognizing that individuals may hold contrasting opinions based on personal experiences or beliefs. The combination of curiosity and empathy enhances critical thinking by promoting a more inclusive and nuanced understanding of complex issues and scenarios.

In the realm of philosophy, critical thinking holds a prominent position. It is a process that revolves around using and assessing reasons to evaluate statements, assumptions, and arguments in ordinary situations. The ultimate goal of critical thinking is to foster good beliefs, aligning them with goals such as truth, usefulness, and rationality 1 .

John Dewey played a crucial role in shaping the concept of critical thinking by introducing it as an educational goal 2 . He connected it with a scientific attitude of mind, highlighting the importance of reflective thought in the process of critical thinking. This approach enhances one’s ability to understand and analyze situations, leading to informed and rational decisions.

Critical thinking equips individuals with the tools necessary to think carefully with clarity, depth, precision, accuracy, and logic 3 . It has applications across various domains, such as science, where great scientists like Albert Einstein have benefited from critical thinking skills to discover groundbreaking concepts.

In conclusion, the philosophy behind critical thinking emphasizes the importance of cultivating a rational and reflective mindset. As an essential skill for problem-solving and decision-making, critical thinking plays a vital role in developing well-rounded individuals ready to navigate the complexities of the world.

• Internet Encyclopedia of Philosophy ↩
• Stanford Encyclopedia of Philosophy ↩
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Critical Thinking

I. definition.

Critical thinking is the ability to reflect on (and so improve ) your thoughts, beliefs, and expectations. It’s a combination of several skills and habits such as:

Curiosity : the desire for knowledge and understanding

Curious people are never content with their current understanding of the world, but are driven to raise questions and pursue the answers. Curiosity is endless — the better you understand a given topic, the more you realize how much more there is to learn!

Humility : or the recognition that your own understanding is limited

This is closely connected to curiosity — if you’re arrogant and think you know everything already, then you have no reason to be curious. But a humble person always recognizes the limitations and gaps in their knowledge . This makes them more receptive to information, better listeners and learners.

Skepticism : a suspicious attitude toward what other people say

Skepticism means you always demand evidence and don’t simply accept what others tell you. At the same time, skepticism has to be inwardly focused as well! You have to be equally skeptical of your own beliefs and instincts as you are of others’.

Rationality or logic: The formal skills of logic are indispensable for critical thinkers

Skepticism keeps you on the lookout for bad arguments, and rationality helps you figure out exactly why they’re bad. But rationality also allows you to identify good arguments when you see them, and then to move beyond them and understand their further implications.

Creativity: or the ability to come up with new combinations of ideas

It’s not enough to just be skeptical and knock the holes in every argument that you hear. Sooner or later you have to come up with your own ideas, your own solutions, and your own visions. That requires a creative and independent mind, but one that is also capable of listening and learning.

Empathy : the ability to see things from another person’s perspective

Too often, people talk about critical thinkers as though they’re solitary explorers, forging their own path through the jungle of ideas without help from others. But this isn’t true at all. Real critical thinking means you constantly engage with other people, listen to what they have to say, and try to imagine how they see the world. By seeing things from someone else’s perspective, you can generate far more new ideas than you could by relying on your own knowledge alone.

II. Examples

Although video games are sometimes simply a passive way to enjoy yourself, they sometimes rely on critical thinking skills. This is particularly true of puzzle games and role playing games (RPGs) that present your character with puzzles at critical moments. For example, at one stage in the classic RPG Neverwinter Nights , your character has the option to serve as a juror on another character’s trial. In order to save the innocent man, you have to talk to people throughout the town and, using a combination of empathy and skepticism, figure out what really happened.

In one episode of South Park , Cartman becomes obsessed with conspiracy theories and sings a song about needing to think for himself and find out the truth. The show is poking fun at conspiracy theorists, who often think that they are exercising critical thinking when in fact they are simply exercising too much skepticism towards common sense and popular beliefs, and not enough skepticism towards new, unnecessarily complicated explanations.

III. Critical Thinking vs. Traditional Thinking

Critical thinking, in the history of modern Western thought, is strongly associated with the Enlightenment, the period when European and American philosophers decided to approach the world with a rational eye, rejecting blind faith and questioning traditional authority. It was this moment in history that gave us modern medicine, democracy , and the early forms of industrial technology.

At the same time, the Enlightenment also came with many downsides, particularly the fact that it was so hostile to tradition. This hostility is understandable given the state of Europe at the time — ripped apart by bloody conflict between different religions, and oppressed by traditional monarchs who rooted their power in that of the Church. Enlightenment thinkers understandably rejected traditional thinking, holding it responsible for all this violence and injustice. But still, the Enlightenment sometimes went too far in the opposite direction. After all, rejecting tradition just for the sake of rejecting it is not really any better than accepting tradition just for the sake of accepting it! Traditions provide valuable resources for critical thinking, and without them it would be impossible. Think about this: the English language is a tradition, and without it you wouldn’t be sitting there reading these (hopefully useful) words about critical thinking!

So critical thinking absolutely depends on traditions. There’s no question that critical thinking means something more than just accepting traditions; but it doesn’t mean you necessarily reject them, either. It just means that you’re not blindly following tradition for its own sake ; rather, your relationship to your tradition is based on humility, creativity, skepticism, and all the other attributes of critical thinking.

IV. Quotes about Critical Thinking

“If I have seen further than others, it is because I have stood on the shoulders of giants.” (Isaac Newton)

Until Einstein, no physicist was ever more influential than Isaac Newton. Through curiosity and probable skepticism, he not only worked out the basic rules for matter and energy in the universe — he also realized that the force causing objects to fall was the same as the force causing celestial objects to orbit around each other (thus discovering the modern theory of gravity). He was also known for having a big ego and being a little arrogant with those he considered beneath his intellect — but even Newton had enough humility to recognize that he wasn’t doing it alone. He was deeply indebted to the whole tradition of scientists that had come before him — Europeans, Greeks, Arabs, Indians, and all the rest.

“It seems to me what is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny of all hypotheses… and at the same time a great openness to new ideas. Obviously those two modes of thought are in some tension. But if you are able to exercise only one of these modes, whichever one it is, you’re in deep trouble.” (Carl Sagan, The Burden of Skepticism )

In this quote, Carl Sagan offers a sensitive analysis of a tension within the idea of critical thinking. He points out that skepticism is extremely important to critical thinking, but at the same time it can go too far and become an obstacle. Notice, too, that you could replace the word “new” with “old” in this quote and it would still make sense. Critical thinkers need to be both open to new ideas and skeptical of them; similarly, they need to have a balanced attitude toward old and traditional ideas as well.

V. The History and Importance of Critical Thinking

Critical thinking has emerged as a cultural value in various times and places, from the Islamic scholars of medieval Central Asia to the secular philosophers of 18th-century America or the scientists and engineers of 21st-century Japan. In each case, critical thinking has taken a slightly different form, sometimes emphasizing skepticism above the other dimensions (as occurred in the European Enlightenment), sometimes emphasizing other dimensions such as creativity or rationality.

Today, many leaders in science, education, and business worry that we are seeing a decline in critical thinking. Education around the world has turned increasingly toward standardized testing and the mechanical memorization of facts, an approach that doesn’t leave time for critical thinking or creative arts. Some politicians view critical and creative education as a waste of time, believing that education should only focus on job skills and nothing else — an attitude which clearly overlooks the fact that critical thinking is an important job skill for everyone from auto mechanics to cognitive scientists.

a. Creativity

b. Skepticism

d. These are all dimensions of critical thinking

a. They are opposites

b. They are synonyms

c. They are in tension, but not incompatible

d. None of the above

a. The Enlightenment

b. The Renaissance

c. The current era

d. All of the above

a. Being constantly skeptical

b. Not being skeptical

c. Having a balance between too much skepticism and too little

d. No relation to skepticism