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Introduction to Logic and Critical Thinking
(10 reviews)
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Matthew Van Cleave, Lansing Community College
Copyright Year: 2016
Publisher: Matthew J. Van Cleave
Language: English
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Reviewed by "yusef" Alexander Hayes, Professor, North Shore Community College on 6/9/21
Formal and informal reasoning, argument structure, and fallacies are covered comprehensively, meeting the author's goal of both depth and succinctness. read more
Comprehensiveness rating: 5 see less
Formal and informal reasoning, argument structure, and fallacies are covered comprehensively, meeting the author's goal of both depth and succinctness.
Content Accuracy rating: 5
The book is accurate.
Relevance/Longevity rating: 5
While many modern examples are used, and they are helpful, they are not necessarily needed. The usefulness of logical principles and skills have proved themselves, and this text presents them clearly with many examples.
Clarity rating: 5
It is obvious that the author cares about their subject, audience, and students. The text is comprehensible and interesting.
Consistency rating: 5
The format is easy to understand and is consistent in framing.
Modularity rating: 5
This text would be easy to adapt.
Organization/Structure/Flow rating: 5
The organization is excellent, my one suggestion would be a concluding chapter.
Interface rating: 5
I accessed the PDF version and it would be easy to work with.
Grammatical Errors rating: 5
The writing is excellent.
Cultural Relevance rating: 5
This is not an offensive text.
Reviewed by Susan Rottmann, Part-time Lecturer, University of Southern Maine on 3/2/21
I reviewed this book for a course titled "Creative and Critical Inquiry into Modern Life." It won't meet all my needs for that course, but I haven't yet found a book that would. I wanted to review this one because it states in the preface that it... read more
Comprehensiveness rating: 4 see less
I reviewed this book for a course titled "Creative and Critical Inquiry into Modern Life." It won't meet all my needs for that course, but I haven't yet found a book that would. I wanted to review this one because it states in the preface that it fits better for a general critical thinking course than for a true logic course. I'm not sure that I'd agree. I have been using Browne and Keeley's "Asking the Right Questions: A Guide to Critical Thinking," and I think that book is a better introduction to critical thinking for non-philosophy majors. However, the latter is not open source so I will figure out how to get by without it in the future. Overall, the book seems comprehensive if the subject is logic. The index is on the short-side, but fine. However, one issue for me is that there are no page numbers on the table of contents, which is pretty annoying if you want to locate particular sections.
Content Accuracy rating: 4
I didn't find any errors. In general the book uses great examples. However, they are very much based in the American context, not for an international student audience. Some effort to broaden the chosen examples would make the book more widely applicable.
Relevance/Longevity rating: 4
I think the book will remain relevant because of the nature of the material that it addresses, however there will be a need to modify the examples in future editions and as the social and political context changes.
Clarity rating: 3
The text is lucid, but I think it would be difficult for introductory-level students who are not philosophy majors. For example, in Browne and Keeley's "Asking the Right Questions: A Guide to Critical Thinking," the sub-headings are very accessible, such as "Experts cannot rescue us, despite what they say" or "wishful thinking: perhaps the biggest single speed bump on the road to critical thinking." By contrast, Van Cleave's "Introduction to Logic and Critical Thinking" has more subheadings like this: "Using your own paraphrases of premises and conclusions to reconstruct arguments in standard form" or "Propositional logic and the four basic truth functional connectives." If students are prepared very well for the subject, it would work fine, but for students who are newly being introduced to critical thinking, it is rather technical.
It seems to be very consistent in terms of its terminology and framework.
Modularity rating: 4
The book is divided into 4 chapters, each having many sub-chapters. In that sense, it is readily divisible and modular. However, as noted above, there are no page numbers on the table of contents, which would make assigning certain parts rather frustrating. Also, I'm not sure why the book is only four chapter and has so many subheadings (for instance 17 in Chapter 2) and a length of 242 pages. Wouldn't it make more sense to break up the book into shorter chapters? I think this would make it easier to read and to assign in specific blocks to students.
Organization/Structure/Flow rating: 4
The organization of the book is fine overall, although I think adding page numbers to the table of contents and breaking it up into more separate chapters would help it to be more easily navigable.
Interface rating: 4
The book is very simply presented. In my opinion it is actually too simple. There are few boxes or diagrams that highlight and explain important points.
The text seems fine grammatically. I didn't notice any errors.
The book is written with an American audience in mind, but I did not notice culturally insensitive or offensive parts.
Overall, this book is not for my course, but I think it could work well in a philosophy course.
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Reviewed by Daniel Lee, Assistant Professor of Economics and Leadership, Sweet Briar College on 11/11/19
This textbook is not particularly comprehensive (4 chapters long), but I view that as a benefit. In fact, I recommend it for use outside of traditional logic classes, but rather interdisciplinary classes that evaluate argument read more
Comprehensiveness rating: 3 see less
This textbook is not particularly comprehensive (4 chapters long), but I view that as a benefit. In fact, I recommend it for use outside of traditional logic classes, but rather interdisciplinary classes that evaluate argument
To the best of my ability, I regard this content as accurate, error-free, and unbiased
The book is broadly relevant and up-to-date, with a few stray temporal references (sydney olympics, particular presidencies). I don't view these time-dated examples as problematic as the logical underpinnings are still there and easily assessed
Clarity rating: 4
My only pushback on clarity is I didn't find the distinction between argument and explanation particularly helpful/useful/easy to follow. However, this experience may have been unique to my class.
To the best of my ability, I regard this content as internally consistent
I found this text quite modular, and was easily able to integrate other texts into my lessons and disregard certain chapters or sub-sections
The book had a logical and consistent structure, but to the extent that there are only 4 chapters, there isn't much scope for alternative approaches here
No problems with the book's interface
The text is grammatically sound
Cultural Relevance rating: 4
Perhaps the text could have been more universal in its approach. While I didn't find the book insensitive per-se, logic can be tricky here because the point is to evaluate meaningful (non-trivial) arguments, but any argument with that sense of gravity can also be traumatic to students (abortion, death penalty, etc)
No additional comments
Reviewed by Lisa N. Thomas-Smith, Graduate Part-time Instructor, CU Boulder on 7/1/19
The text covers all the relevant technical aspects of introductory logic and critical thinking, and covers them well. A separate glossary would be quite helpful to students. However, the terms are clearly and thoroughly explained within the text,... read more
The text covers all the relevant technical aspects of introductory logic and critical thinking, and covers them well. A separate glossary would be quite helpful to students. However, the terms are clearly and thoroughly explained within the text, and the index is very thorough.
The content is excellent. The text is thorough and accurate with no errors that I could discern. The terminology and exercises cover the material nicely and without bias.
The text should easily stand the test of time. The exercises are excellent and would be very helpful for students to internalize correct critical thinking practices. Because of the logical arrangement of the text and the many sub-sections, additional material should be very easy to add.
The text is extremely clearly and simply written. I anticipate that a diligent student could learn all of the material in the text with little additional instruction. The examples are relevant and easy to follow.
The text did not confuse terms or use inconsistent terminology, which is very important in a logic text. The discipline often uses multiple terms for the same concept, but this text avoids that trap nicely.
The text is fairly easily divisible. Since there are only four chapters, those chapters include large blocks of information. However, the chapters themselves are very well delineated and could be easily broken up so that parts could be left out or covered in a different order from the text.
The flow of the text is excellent. All of the information is handled solidly in an order that allows the student to build on the information previously covered.
The PDF Table of Contents does not include links or page numbers which would be very helpful for navigation. Other than that, the text was very easy to navigate. All the images, charts, and graphs were very clear
I found no grammatical errors in the text.
Cultural Relevance rating: 3
The text including examples and exercises did not seem to be offensive or insensitive in any specific way. However, the examples included references to black and white people, but few others. Also, the text is very American specific with many examples from and for an American audience. More diversity, especially in the examples, would be appropriate and appreciated.
Reviewed by Leslie Aarons, Associate Professor of Philosophy, CUNY LaGuardia Community College on 5/16/19
This is an excellent introductory (first-year) Logic and Critical Thinking textbook. The book covers the important elementary information, clearly discussing such things as the purpose and basic structure of an argument; the difference between an... read more
This is an excellent introductory (first-year) Logic and Critical Thinking textbook. The book covers the important elementary information, clearly discussing such things as the purpose and basic structure of an argument; the difference between an argument and an explanation; validity; soundness; and the distinctions between an inductive and a deductive argument in accessible terms in the first chapter. It also does a good job introducing and discussing informal fallacies (Chapter 4). The incorporation of opportunities to evaluate real-world arguments is also very effective. Chapter 2 also covers a number of formal methods of evaluating arguments, such as Venn Diagrams and Propositional logic and the four basic truth functional connectives, but to my mind, it is much more thorough in its treatment of Informal Logic and Critical Thinking skills, than it is of formal logic. I also appreciated that Van Cleave’s book includes exercises with answers and an index, but there is no glossary; which I personally do not find detracts from the book's comprehensiveness.
Overall, Van Cleave's book is error-free and unbiased. The language used is accessible and engaging. There were no glaring inaccuracies that I was able to detect.
Van Cleave's Textbook uses relevant, contemporary content that will stand the test of time, at least for the next few years. Although some examples use certain subjects like former President Obama, it does so in a useful manner that inspires the use of critical thinking skills. There are an abundance of examples that inspire students to look at issues from many different political viewpoints, challenging students to practice evaluating arguments, and identifying fallacies. Many of these exercises encourage students to critique issues, and recognize their own inherent reader-biases and challenge their own beliefs--hallmarks of critical thinking.
As mentioned previously, the author has an accessible style that makes the content relatively easy to read and engaging. He also does a suitable job explaining jargon/technical language that is introduced in the textbook.
Van Cleave uses terminology consistently and the chapters flow well. The textbook orients the reader by offering effective introductions to new material, step-by-step explanations of the material, as well as offering clear summaries of each lesson.
This textbook's modularity is really quite good. Its language and structure are not overly convoluted or too-lengthy, making it convenient for individual instructors to adapt the materials to suit their methodological preferences.
The topics in the textbook are presented in a logical and clear fashion. The structure of the chapters are such that it is not necessary to have to follow the chapters in their sequential order, and coverage of material can be adapted to individual instructor's preferences.
The textbook is free of any problematic interface issues. Topics, sections and specific content are accessible and easy to navigate. Overall it is user-friendly.
I did not find any significant grammatical issues with the textbook.
The textbook is not culturally insensitive, making use of a diversity of inclusive examples. Materials are especially effective for first-year critical thinking/logic students.
I intend to adopt Van Cleave's textbook for a Critical Thinking class I am teaching at the Community College level. I believe that it will help me facilitate student-learning, and will be a good resource to build additional classroom activities from the materials it provides.
Reviewed by Jennie Harrop, Chair, Department of Professional Studies, George Fox University on 3/27/18
While the book is admirably comprehensive, its extensive details within a few short chapters may feel overwhelming to students. The author tackles an impressive breadth of concepts in Chapter 1, 2, 3, and 4, which leads to 50-plus-page chapters... read more
While the book is admirably comprehensive, its extensive details within a few short chapters may feel overwhelming to students. The author tackles an impressive breadth of concepts in Chapter 1, 2, 3, and 4, which leads to 50-plus-page chapters that are dense with statistical analyses and critical vocabulary. These topics are likely better broached in manageable snippets rather than hefty single chapters.
The ideas addressed in Introduction to Logic and Critical Thinking are accurate but at times notably political. While politics are effectively used to exemplify key concepts, some students may be distracted by distinct political leanings.
The terms and definitions included are relevant, but the examples are specific to the current political, cultural, and social climates, which could make the materials seem dated in a few years without intentional and consistent updates.
While the reasoning is accurate, the author tends to complicate rather than simplify -- perhaps in an effort to cover a spectrum of related concepts. Beginning readers are likely to be overwhelmed and under-encouraged by his approach.
Consistency rating: 3
The four chapters are somewhat consistent in their play of definition, explanation, and example, but the structure of each chapter varies according to the concepts covered. In the third chapter, for example, key ideas are divided into sub-topics numbering from 3.1 to 3.10. In the fourth chapter, the sub-divisions are further divided into sub-sections numbered 4.1.1-4.1.5, 4.2.1-4.2.2, and 4.3.1 to 4.3.6. Readers who are working quickly to master new concepts may find themselves mired in similarly numbered subheadings, longing for a grounded concepts on which to hinge other key principles.
Modularity rating: 3
The book's four chapters make it mostly self-referential. The author would do well to beak this text down into additional subsections, easing readers' accessibility.
The content of the book flows logically and well, but the information needs to be better sub-divided within each larger chapter, easing the student experience.
The book's interface is effective, allowing readers to move from one section to the next with a single click. Additional sub-sections would ease this interplay even further.
Grammatical Errors rating: 4
Some minor errors throughout.
For the most part, the book is culturally neutral, avoiding direct cultural references in an effort to remain relevant.
Reviewed by Yoichi Ishida, Assistant Professor of Philosophy, Ohio University on 2/1/18
This textbook covers enough topics for a first-year course on logic and critical thinking. Chapter 1 covers the basics as in any standard textbook in this area. Chapter 2 covers propositional logic and categorical logic. In propositional logic,... read more
This textbook covers enough topics for a first-year course on logic and critical thinking. Chapter 1 covers the basics as in any standard textbook in this area. Chapter 2 covers propositional logic and categorical logic. In propositional logic, this textbook does not cover suppositional arguments, such as conditional proof and reductio ad absurdum. But other standard argument forms are covered. Chapter 3 covers inductive logic, and here this textbook introduces probability and its relationship with cognitive biases, which are rarely discussed in other textbooks. Chapter 4 introduces common informal fallacies. The answers to all the exercises are given at the end. However, the last set of exercises is in Chapter 3, Section 5. There are no exercises in the rest of the chapter. Chapter 4 has no exercises either. There is index, but no glossary.
The textbook is accurate.
The content of this textbook will not become obsolete soon.
The textbook is written clearly.
The textbook is internally consistent.
The textbook is fairly modular. For example, Chapter 3, together with a few sections from Chapter 1, can be used as a short introduction to inductive logic.
The textbook is well-organized.
There are no interface issues.
I did not find any grammatical errors.
This textbook is relevant to a first semester logic or critical thinking course.
Reviewed by Payal Doctor, Associate Professro, LaGuardia Community College on 2/1/18
This text is a beginner textbook for arguments and propositional logic. It covers the basics of identifying arguments, building arguments, and using basic logic to construct propositions and arguments. It is quite comprehensive for a beginner... read more
This text is a beginner textbook for arguments and propositional logic. It covers the basics of identifying arguments, building arguments, and using basic logic to construct propositions and arguments. It is quite comprehensive for a beginner book, but seems to be a good text for a course that needs a foundation for arguments. There are exercises on creating truth tables and proofs, so it could work as a logic primer in short sessions or with the addition of other course content.
The books is accurate in the information it presents. It does not contain errors and is unbiased. It covers the essential vocabulary clearly and givens ample examples and exercises to ensure the student understands the concepts
The content of the book is up to date and can be easily updated. Some examples are very current for analyzing the argument structure in a speech, but for this sort of text understandable examples are important and the author uses good examples.
The book is clear and easy to read. In particular, this is a good text for community college students who often have difficulty with reading comprehension. The language is straightforward and concepts are well explained.
The book is consistent in terminology, formatting, and examples. It flows well from one topic to the next, but it is also possible to jump around the text without loosing the voice of the text.
The books is broken down into sub units that make it easy to assign short blocks of content at a time. Later in the text, it does refer to a few concepts that appear early in that text, but these are all basic concepts that must be used to create a clear and understandable text. No sections are too long and each section stays on topic and relates the topic to those that have come before when necessary.
The flow of the text is logical and clear. It begins with the basic building blocks of arguments, and practice identifying more and more complex arguments is offered. Each chapter builds up from the previous chapter in introducing propositional logic, truth tables, and logical arguments. A select number of fallacies are presented at the end of the text, but these are related to topics that were presented before, so it makes sense to have these last.
The text is free if interface issues. I used the PDF and it worked fine on various devices without loosing formatting.
1. The book contains no grammatical errors.
The text is culturally sensitive, but examples used are a bit odd and may be objectionable to some students. For instance, President Obama's speech on Syria is used to evaluate an extended argument. This is an excellent example and it is explained well, but some who disagree with Obama's policies may have trouble moving beyond their own politics. However, other examples look at issues from all political viewpoints and ask students to evaluate the argument, fallacy, etc. and work towards looking past their own beliefs. Overall this book does use a variety of examples that most students can understand and evaluate.
My favorite part of this book is that it seems to be written for community college students. My students have trouble understanding readings in the New York Times, so it is nice to see a logic and critical thinking text use real language that students can understand and follow without the constant need of a dictionary.
Reviewed by Rebecca Owen, Adjunct Professor, Writing, Chemeketa Community College on 6/20/17
This textbook is quite thorough--there are conversational explanations of argument structure and logic. I think students will be happy with the conversational style this author employs. Also, there are many examples and exercises using current... read more
This textbook is quite thorough--there are conversational explanations of argument structure and logic. I think students will be happy with the conversational style this author employs. Also, there are many examples and exercises using current events, funny scenarios, or other interesting ways to evaluate argument structure and validity. The third section, which deals with logical fallacies, is very clear and comprehensive. My only critique of the material included in the book is that the middle section may be a bit dense and math-oriented for learners who appreciate the more informal, informative style of the first and third section. Also, the book ends rather abruptly--it moves from a description of a logical fallacy to the answers for the exercises earlier in the text.
The content is very reader-friendly, and the author writes with authority and clarity throughout the text. There are a few surface-level typos (Starbuck's instead of Starbucks, etc.). None of these small errors detract from the quality of the content, though.
One thing I really liked about this text was the author's wide variety of examples. To demonstrate different facets of logic, he used examples from current media, movies, literature, and many other concepts that students would recognize from their daily lives. The exercises in this text also included these types of pop-culture references, and I think students will enjoy the familiarity--as well as being able to see the logical structures behind these types of references. I don't think the text will need to be updated to reflect new instances and occurrences; the author did a fine job at picking examples that are relatively timeless. As far as the subject matter itself, I don't think it will become obsolete any time soon.
The author writes in a very conversational, easy-to-read manner. The examples used are quite helpful. The third section on logical fallacies is quite easy to read, follow, and understand. A student in an argument writing class could benefit from this section of the book. The middle section is less clear, though. A student learning about the basics of logic might have a hard time digesting all of the information contained in chapter two. This material might be better in two separate chapters. I think the author loses the balance of a conversational, helpful tone and focuses too heavily on equations.
Consistency rating: 4
Terminology in this book is quite consistent--the key words are highlighted in bold. Chapters 1 and 3 follow a similar organizational pattern, but chapter 2 is where the material becomes more dense and equation-heavy. I also would have liked a closing passage--something to indicate to the reader that we've reached the end of the chapter as well as the book.
I liked the overall structure of this book. If I'm teaching an argumentative writing class, I could easily point the students to the chapters where they can identify and practice identifying fallacies, for instance. The opening chapter is clear in defining the necessary terms, and it gives the students an understanding of the toolbox available to them in assessing and evaluating arguments. Even though I found the middle section to be dense, smaller portions could be assigned.
The author does a fine job connecting each defined term to the next. He provides examples of how each defined term works in a sentence or in an argument, and then he provides practice activities for students to try. The answers for each question are listed in the final pages of the book. The middle section feels like the heaviest part of the whole book--it would take the longest time for a student to digest if assigned the whole chapter. Even though this middle section is a bit heavy, it does fit the overall structure and flow of the book. New material builds on previous chapters and sub-chapters. It ends abruptly--I didn't realize that it had ended, and all of a sudden I found myself in the answer section for those earlier exercises.
The simple layout is quite helpful! There is nothing distracting, image-wise, in this text. The table of contents is clearly arranged, and each topic is easy to find.
Tiny edits could be made (Starbuck's/Starbucks, for one). Otherwise, it is free of distracting grammatical errors.
This text is quite culturally relevant. For instance, there is one example that mentions the rumors of Barack Obama's birthplace as somewhere other than the United States. This example is used to explain how to analyze an argument for validity. The more "sensational" examples (like the Obama one above) are helpful in showing argument structure, and they can also help students see how rumors like this might gain traction--as well as help to show students how to debunk them with their newfound understanding of argument and logic.
The writing style is excellent for the subject matter, especially in the third section explaining logical fallacies. Thank you for the opportunity to read and review this text!
Reviewed by Laurel Panser, Instructor, Riverland Community College on 6/20/17
This is a review of Introduction to Logic and Critical Thinking, an open source book version 1.4 by Matthew Van Cleave. The comparison book used was Patrick J. Hurley’s A Concise Introduction to Logic 12th Edition published by Cengage as well as... read more
This is a review of Introduction to Logic and Critical Thinking, an open source book version 1.4 by Matthew Van Cleave. The comparison book used was Patrick J. Hurley’s A Concise Introduction to Logic 12th Edition published by Cengage as well as the 13th edition with the same title. Lori Watson is the second author on the 13th edition.
Competing with Hurley is difficult with respect to comprehensiveness. For example, Van Cleave’s book is comprehensive to the extent that it probably covers at least two-thirds or more of what is dealt with in most introductory, one-semester logic courses. Van Cleave’s chapter 1 provides an overview of argumentation including discerning non-arguments from arguments, premises versus conclusions, deductive from inductive arguments, validity, soundness and more. Much of Van Cleave’s chapter 1 parallel’s Hurley’s chapter 1. Hurley’s chapter 3 regarding informal fallacies is comprehensive while Van Cleave’s chapter 4 on this topic is less extensive. Categorical propositions are a topic in Van Cleave’s chapter 2; Hurley’s chapters 4 and 5 provide more instruction on this, however. Propositional logic is another topic in Van Cleave’s chapter 2; Hurley’s chapters 6 and 7 provide more information on this, though. Van Cleave did discuss messy issues of language meaning briefly in his chapter 1; that is the topic of Hurley’s chapter 2.
Van Cleave’s book includes exercises with answers and an index. A glossary was not included.
Reviews of open source textbooks typically include criteria besides comprehensiveness. These include comments on accuracy of the information, whether the book will become obsolete soon, jargon-free clarity to the extent that is possible, organization, navigation ease, freedom from grammar errors and cultural relevance; Van Cleave’s book is fine in all of these areas. Further criteria for open source books includes modularity and consistency of terminology. Modularity is defined as including blocks of learning material that are easy to assign to students. Hurley’s book has a greater degree of modularity than Van Cleave’s textbook. The prose Van Cleave used is consistent.
Van Cleave’s book will not become obsolete soon.
Van Cleave’s book has accessible prose.
Van Cleave used terminology consistently.
Van Cleave’s book has a reasonable degree of modularity.
Van Cleave’s book is organized. The structure and flow of his book is fine.
Problems with navigation are not present.
Grammar problems were not present.
Van Cleave’s book is culturally relevant.
Van Cleave’s book is appropriate for some first semester logic courses.
Table of Contents
Chapter 1: Reconstructing and analyzing arguments
- 1.1 What is an argument?
- 1.2 Identifying arguments
- 1.3 Arguments vs. explanations
- 1.4 More complex argument structures
- 1.5 Using your own paraphrases of premises and conclusions to reconstruct arguments in standard form
- 1.6 Validity
- 1.7 Soundness
- 1.8 Deductive vs. inductive arguments
- 1.9 Arguments with missing premises
- 1.10 Assuring, guarding, and discounting
- 1.11 Evaluative language
- 1.12 Evaluating a real-life argument
Chapter 2: Formal methods of evaluating arguments
- 2.1 What is a formal method of evaluation and why do we need them?
- 2.2 Propositional logic and the four basic truth functional connectives
- 2.3 Negation and disjunction
- 2.4 Using parentheses to translate complex sentences
- 2.5 “Not both” and “neither nor”
- 2.6 The truth table test of validity
- 2.7 Conditionals
- 2.8 “Unless”
- 2.9 Material equivalence
- 2.10 Tautologies, contradictions, and contingent statements
- 2.11 Proofs and the 8 valid forms of inference
- 2.12 How to construct proofs
- 2.13 Short review of propositional logic
- 2.14 Categorical logic
- 2.15 The Venn test of validity for immediate categorical inferences
- 2.16 Universal statements and existential commitment
- 2.17 Venn validity for categorical syllogisms
Chapter 3: Evaluating inductive arguments and probabilistic and statistical fallacies
- 3.1 Inductive arguments and statistical generalizations
- 3.2 Inference to the best explanation and the seven explanatory virtues
- 3.3 Analogical arguments
- 3.4 Causal arguments
- 3.5 Probability
- 3.6 The conjunction fallacy
- 3.7 The base rate fallacy
- 3.8 The small numbers fallacy
- 3.9 Regression to the mean fallacy
- 3.10 Gambler's fallacy
Chapter 4: Informal fallacies
- 4.1 Formal vs. informal fallacies
- 4.1.1 Composition fallacy
- 4.1.2 Division fallacy
- 4.1.3 Begging the question fallacy
- 4.1.4 False dichotomy
- 4.1.5 Equivocation
- 4.2 Slippery slope fallacies
- 4.2.1 Conceptual slippery slope
- 4.2.2 Causal slippery slope
- 4.3 Fallacies of relevance
- 4.3.1 Ad hominem
- 4.3.2 Straw man
- 4.3.3 Tu quoque
- 4.3.4 Genetic
- 4.3.5 Appeal to consequences
- 4.3.6 Appeal to authority
Answers to exercises Glossary/Index
Ancillary Material
About the book.
This is an introductory textbook in logic and critical thinking. The goal of the textbook is to provide the reader with a set of tools and skills that will enable them to identify and evaluate arguments. The book is intended for an introductory course that covers both formal and informal logic. As such, it is not a formal logic textbook, but is closer to what one would find marketed as a “critical thinking textbook.”
About the Contributors
Matthew Van Cleave , PhD, Philosophy, University of Cincinnati, 2007. VAP at Concordia College (Moorhead), 2008-2012. Assistant Professor at Lansing Community College, 2012-2016. Professor at Lansing Community College, 2016-
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1 Introduction to Critical Thinking
I. what is c ritical t hinking [1].
Critical thinking is the ability to think clearly and rationally about what to do or what to believe. It includes the ability to engage in reflective and independent thinking. Someone with critical thinking skills is able to do the following:
- Understand the logical connections between ideas.
- Identify, construct, and evaluate arguments.
- Detect inconsistencies and common mistakes in reasoning.
- Solve problems systematically.
- Identify the relevance and importance of ideas.
- Reflect on the justification of one’s own beliefs and values.
Critical thinking is not simply a matter of accumulating information. A person with a good memory and who knows a lot of facts is not necessarily good at critical thinking. Critical thinkers are able to deduce consequences from what they know, make use of information to solve problems, and to seek relevant sources of information to inform themselves.
Critical thinking should not be confused with being argumentative or being critical of other people. Although critical thinking skills can be used in exposing fallacies and bad reasoning, critical thinking can also play an important role in cooperative reasoning and constructive tasks. Critical thinking can help us acquire knowledge, improve our theories, and strengthen arguments. We can also use critical thinking to enhance work processes and improve social institutions.
Some people believe that critical thinking hinders creativity because critical thinking requires following the rules of logic and rationality, whereas creativity might require breaking those rules. This is a misconception. Critical thinking is quite compatible with thinking “out-of-the-box,” challenging consensus views, and pursuing less popular approaches. If anything, critical thinking is an essential part of creativity because we need critical thinking to evaluate and improve our creative ideas.
II. The I mportance of C ritical T hinking
Critical thinking is a domain-general thinking skill. The ability to think clearly and rationally is important whatever we choose to do. If you work in education, research, finance, management or the legal profession, then critical thinking is obviously important. But critical thinking skills are not restricted to a particular subject area. Being able to think well and solve problems systematically is an asset for any career.
Critical thinking is very important in the new knowledge economy. The global knowledge economy is driven by information and technology. One has to be able to deal with changes quickly and effectively. The new economy places increasing demands on flexible intellectual skills, and the ability to analyze information and integrate diverse sources of knowledge in solving problems. Good critical thinking promotes such thinking skills, and is very important in the fast-changing workplace.
Critical thinking enhances language and presentation skills. Thinking clearly and systematically can improve the way we express our ideas. In learning how to analyze the logical structure of texts, critical thinking also improves comprehension abilities.
Critical thinking promotes creativity. To come up with a creative solution to a problem involves not just having new ideas. It must also be the case that the new ideas being generated are useful and relevant to the task at hand. Critical thinking plays a crucial role in evaluating new ideas, selecting the best ones and modifying them if necessary.
Critical thinking is crucial for self-reflection. In order to live a meaningful life and to structure our lives accordingly, we need to justify and reflect on our values and decisions. Critical thinking provides the tools for this process of self-evaluation.
Good critical thinking is the foundation of science and democracy. Science requires the critical use of reason in experimentation and theory confirmation. The proper functioning of a liberal democracy requires citizens who can think critically about social issues to inform their judgments about proper governance and to overcome biases and prejudice.
Critical thinking is a metacognitive skill . What this means is that it is a higher-level cognitive skill that involves thinking about thinking. We have to be aware of the good principles of reasoning, and be reflective about our own reasoning. In addition, we often need to make a conscious effort to improve ourselves, avoid biases, and maintain objectivity. This is notoriously hard to do. We are all able to think but to think well often requires a long period of training. The mastery of critical thinking is similar to the mastery of many other skills. There are three important components: theory, practice, and attitude.
III. Improv ing O ur T hinking S kills
If we want to think correctly, we need to follow the correct rules of reasoning. Knowledge of theory includes knowledge of these rules. These are the basic principles of critical thinking, such as the laws of logic, and the methods of scientific reasoning, etc.
Also, it would be useful to know something about what not to do if we want to reason correctly. This means we should have some basic knowledge of the mistakes that people make. First, this requires some knowledge of typical fallacies. Second, psychologists have discovered persistent biases and limitations in human reasoning. An awareness of these empirical findings will alert us to potential problems.
However, merely knowing the principles that distinguish good and bad reasoning is not enough. We might study in the classroom about how to swim, and learn about the basic theory, such as the fact that one should not breathe underwater. But unless we can apply such theoretical knowledge through constant practice, we might not actually be able to swim.
Similarly, to be good at critical thinking skills it is necessary to internalize the theoretical principles so that we can actually apply them in daily life. There are at least two ways to do this. One is to perform lots of quality exercises. These exercises don’t just include practicing in the classroom or receiving tutorials; they also include engaging in discussions and debates with other people in our daily lives, where the principles of critical thinking can be applied. The second method is to think more deeply about the principles that we have acquired. In the human mind, memory and understanding are acquired through making connections between ideas.
Good critical thinking skills require more than just knowledge and practice. Persistent practice can bring about improvements only if one has the right kind of motivation and attitude. The following attitudes are not uncommon, but they are obstacles to critical thinking:
- I prefer being given the correct answers rather than figuring them out myself.
- I don’t like to think a lot about my decisions as I rely only on gut feelings.
- I don’t usually review the mistakes I have made.
- I don’t like to be criticized.
To improve our thinking we have to recognize the importance of reflecting on the reasons for belief and action. We should also be willing to engage in debate, break old habits, and deal with linguistic complexities and abstract concepts.
The California Critical Thinking Disposition Inventory is a psychological test that is used to measure whether people are disposed to think critically. It measures the seven different thinking habits listed below, and it is useful to ask ourselves to what extent they describe the way we think:
- Truth-Seeking—Do you try to understand how things really are? Are you interested in finding out the truth?
- Open-Mindedness—How receptive are you to new ideas, even when you do not intuitively agree with them? Do you give new concepts a fair hearing?
- Analyticity—Do you try to understand the reasons behind things? Do you act impulsively or do you evaluate the pros and cons of your decisions?
- Systematicity—Are you systematic in your thinking? Do you break down a complex problem into parts?
- Confidence in Reasoning—Do you always defer to other people? How confident are you in your own judgment? Do you have reasons for your confidence? Do you have a way to evaluate your own thinking?
- Inquisitiveness—Are you curious about unfamiliar topics and resolving complicated problems? Will you chase down an answer until you find it?
- Maturity of Judgment—Do you jump to conclusions? Do you try to see things from different perspectives? Do you take other people’s experiences into account?
Finally, as mentioned earlier, psychologists have discovered over the years that human reasoning can be easily affected by a variety of cognitive biases. For example, people tend to be over-confident of their abilities and focus too much on evidence that supports their pre-existing opinions. We should be alert to these biases in our attitudes towards our own thinking.
IV. Defining Critical Thinking
There are many different definitions of critical thinking. Here we list some of the well-known ones. You might notice that they all emphasize the importance of clarity and rationality. Here we will look at some well-known definitions in chronological order.
1) Many people trace the importance of critical thinking in education to the early twentieth-century American philosopher John Dewey. But Dewey did not make very extensive use of the term “critical thinking.” Instead, in his book How We Think (1910), he argued for the importance of what he called “reflective thinking”:
…[when] the ground or basis for a belief is deliberately sought and its adequacy to support the belief examined. This process is called reflective thought; it alone is truly educative in value…
Active, persistent and careful consideration of any belief or supposed form of knowledge in light of the grounds that support it, and the further conclusions to which it tends, constitutes reflective thought.
There is however one passage from How We Think where Dewey explicitly uses the term “critical thinking”:
The essence of critical thinking is suspended judgment; and the essence of this suspense is inquiry to determine the nature of the problem before proceeding to attempts at its solution. This, more than any other thing, transforms mere inference into tested inference, suggested conclusions into proof.
2) The Watson-Glaser Critical Thinking Appraisal (1980) is a well-known psychological test of critical thinking ability. The authors of this test define critical thinking as:
…a composite of attitudes, knowledge and skills. This composite includes: (1) attitudes of inquiry that involve an ability to recognize the existence of problems and an acceptance of the general need for evidence in support of what is asserted to be true; (2) knowledge of the nature of valid inferences, abstractions, and generalizations in which the weight or accuracy of different kinds of evidence are logically determined; and (3) skills in employing and applying the above attitudes and knowledge.
3) A very well-known and influential definition of critical thinking comes from philosopher and professor Robert Ennis in his work “A Taxonomy of Critical Thinking Dispositions and Abilities” (1987):
Critical thinking is reasonable reflective thinking that is focused on deciding what to believe or do.
4) The following definition comes from a statement written in 1987 by the philosophers Michael Scriven and Richard Paul for the National Council for Excellence in Critical Thinking (link), an organization promoting critical thinking in the US:
Critical thinking is 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 its exemplary form, it is based on universal intellectual values that transcend subject matter divisions: clarity, accuracy, precision, consistency, relevance, sound evidence, good reasons, depth, breadth, and fairness. It entails the examination of those structures or elements of thought implicit in all reasoning: purpose, problem, or question-at-issue, assumptions, concepts, empirical grounding; reasoning leading to conclusions, implications and consequences, objections from alternative viewpoints, and frame of reference.
The following excerpt from Peter A. Facione’s “Critical Thinking: A Statement of Expert Consensus for Purposes of Educational Assessment and Instruction” (1990) is quoted from a report written for the American Philosophical Association:
We understand critical thinking to be purposeful, self-regulatory judgment which results in interpretation, analysis, evaluation, and inference, as well as explanation of the evidential, conceptual, methodological, criteriological, or contextual considerations upon which that judgment is based. CT is essential as a tool of inquiry. As such, CT is a liberating force in education and a powerful resource in one’s personal and civic life. While not synonymous with good thinking, CT is a pervasive and self-rectifying human phenomenon. The ideal critical thinker is habitually inquisitive, well-informed, trustful of reason, open-minded, flexible, fairminded in evaluation, honest in facing personal biases, prudent in making judgments, willing to reconsider, clear about issues, orderly in complex matters, diligent in seeking relevant information, reasonable in the selection of criteria, focused in inquiry, and persistent in seeking results which are as precise as the subject and the circumstances of inquiry permit. Thus, educating good critical thinkers means working toward this ideal. It combines developing CT skills with nurturing those dispositions which consistently yield useful insights and which are the basis of a rational and democratic society.
V. Two F eatures of C ritical T hinking
A. how not what .
Critical thinking is concerned not with what you believe, but rather how or why you believe it. Most classes, such as those on biology or chemistry, teach you what to believe about a subject matter. In contrast, critical thinking is not particularly interested in what the world is, in fact, like. Rather, critical thinking will teach you how to form beliefs and how to think. It is interested in the type of reasoning you use when you form your beliefs, and concerns itself with whether you have good reasons to believe what you believe. Therefore, this class isn’t a class on the psychology of reasoning, which brings us to the second important feature of critical thinking.
B. Ought N ot Is ( or Normative N ot Descriptive )
There is a difference between normative and descriptive theories. Descriptive theories, such as those provided by physics, provide a picture of how the world factually behaves and operates. In contrast, normative theories, such as those provided by ethics or political philosophy, provide a picture of how the world should be. Rather than ask question such as why something is the way it is, normative theories ask how something should be. In this course, we will be interested in normative theories that govern our thinking and reasoning. Therefore, we will not be interested in how we actually reason, but rather focus on how we ought to reason.
In the introduction to this course we considered a selection task with cards that must be flipped in order to check the validity of a rule. We noted that many people fail to identify all the cards required to check the rule. This is how people do in fact reason (descriptive). We then noted that you must flip over two cards. This is how people ought to reason (normative).
- Section I-IV are taken from http://philosophy.hku.hk/think/ and are in use under the creative commons license. Some modifications have been made to the original content. ↵
Critical Thinking Copyright © 2019 by Brian Kim is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.
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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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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?
If you want to know more about ChatGPT, AI tools , citation , and plagiarism , make sure to check out some of our other articles with explanations and examples.
- ChatGPT vs human editor
- ChatGPT citations
- Is ChatGPT trustworthy?
- Using ChatGPT for your studies
- What is ChatGPT?
- Chicago style
- Paraphrasing
Plagiarism
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- Self-plagiarism
- Avoiding plagiarism
- Academic integrity
- Consequences of plagiarism
- Common knowledge
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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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- Stanford Encyclopedia of Philosophy - Critical Thinking
- Internet Encyclopedia of Philosophy - Critical Thinking
- Monash University - Student Academic Success - What is 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
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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.
Introduction to Critical Thinking
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The concept of critical thinking has been defined in many complex ways, but for young students new to the concept, it can best be summed up as thinking and judging for yourself .
When you develop critical thinking skills, you will learn to evaluate information that you hear and process information that you collect while recognizing your implicit biases. You will analyze the evidence that is presented to you in order to make sure it is sound.
Recognize Common Fallacies
Fallacies are tricks of logic, and understanding them is the best way to avoid falling for them. There are many types of fallacies , and the more you think about them, the more readily you will recognize them all around you, especially in advertisements, arguments, and political discussions.
- Bandwagon Appeals: Bandwagon appeals argue that you should follow along with something because everyone else believes it.
- Scare Tactics: A scare tactic is the use of a scary story as an example to make you more likely to believe some underlying assumption.
- Appeal to Emotion: An appeal to emotion uses a fiery speech or a tragic story to convince someone to side with you.
- False Dichotomy: Often there are many sides to an argument, but a "false dichotomy" presents an issue as one side versus the other.
Characteristics of Critical Thinking
To become a critical thinker, you must develop a few skills.
- Recognize assumptions you carry with you. Have you ever wondered why you believe the things that you believe? Do you believe things because you’ve been told to believe them? Step outside your own beliefs to observe from a neutral viewpoint. Be aware of assumptions and learn to self-reflect.
- Process information honestly. People sometimes pass along information that is not really true (i.e. the "fake news" crisis).
- Recognize a generalization. Girls don’t like bugs. Old people are wise. Cats make better pets. These are generalizations. They’re not always true, are they?
- Evaluate old information and new ideas. There was a time when doctors thought leeches could cure us. Recognize that just because something is commonly accepted, doesn't mean it is true.
- Produce new ideas based on sound evidence. Detectives solve crimes by collecting bits of truths and putting them all together like a puzzle. One small deceit can jeopardize an investigation. The entire truth-seeking process is destabilized by one piece of bad evidence, leading to a wrong conclusion.
- Analyze a problem and recognize the complex parts. A mechanic must understand how an entire engine works before s/he can diagnose a problem. Sometimes it is necessary to deconstruct an engine to figure out which part isn’t working. You should approach big problems like this: break them down into smaller parts and observe carefully and deliberately.
- Use precise vocabulary and communicate with clarity. The truth can be blurred by fuzzy language. It is important to develop your vocabulary so you can communicate truths accurately.
- Manage emotions in response to a situation or problem. Don’t be fooled by stirred up, emotional plea or angry speech. Stay rational and keep your emotions in check as you encounter new information.
- Judge your sources. Learn to recognize hidden agendas and bias when you collect information.
As students progress from high school into college and graduate school they must develop critical thinking skills in order to carry out research. Students will learn to identify good sources and bad sources , make logical conclusions, and develop new theories.
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What is Critical Thinking?
Critical Thinking Definition
September 2, 2005, by The Critical Thinking Co. Staff
The Critical Thinking Co.™ "Critical thinking is the identification and evaluation of evidence to guide decision making. A critical thinker uses broad in-depth analysis of evidence to make decisions and communicate their beliefs clearly and accurately."
Other Definitions of Critical Thinking: Robert H. Ennis , Author of The Cornell Critical Thinking Tests "Critical thinking is reasonable, reflective thinking that is focused on deciding what to believe and do."
A SUPER-STREAMLINED CONCEPTION OF CRITICAL THINKING Robert H. Ennis, 6/20/02
Assuming that critical thinking is reasonable reflective thinking focused on deciding what to believe or do, a critical thinker:
1. Is open-minded and mindful of alternatives 2. Tries to be well-informed 3. Judges well the credibility of sources 4. Identifies conclusions, reasons, and assumptions 5. Judges well the quality of an argument, including the acceptability of its reasons, assumptions, and evidence 6. Can well develop and defend a reasonable position 7. Asks appropriate clarifying questions 8. Formulates plausible hypotheses; plans experiments well 9. Defines terms in a way appropriate for the context 10. Draws conclusions when warranted, but with caution 11. Integrates all items in this list when deciding what to believe or do
Critical Thinkers are disposed to:
1. Care that their beliefs be true, and that their decisions be justified; that is, care to "get it right" to the extent possible. This includes the dispositions to
a. Seek alternative hypotheses, explanations, conclusions, plans, sources, etc., and be open to them b. Endorse a position to the extent that, but only to the extent that, it is justified by the information that is available c. Be well informed d. Consider seriously other points of view than their own
2. Care to present a position honestly and clearly, theirs as well as others'. This includes the dispositions to
a. Be clear about the intended meaning of what is said, written, or otherwise communicated, seeking as much precision as the situation requires b. Determine, and maintain focus on, the conclusion or question c. Seek and offer reasons d. Take into account the total situation e. Be reflectively aware of their own basic beliefs
3. Care about the dignity and worth of every person (a correlative disposition). This includes the dispositions to
a. Discover and listen to others' view and reasons b. Avoid intimidating or confusing others with their critical thinking prowess, taking into account others' feelings and level of understanding c. Be concerned about others' welfare
Critical Thinking Abilities:
Ideal critical thinkers have the ability to (The first three items involve elementary clarification.)
1. Focus on a question
a. Identify or formulate a question b. Identify or formulate criteria for judging possible answers c. Keep the situation in mind
2. Analyze arguments
a. Identify conclusions b. Identify stated reasons c. Identify unstated reasons d. Identify and handle irrelevance e. See the structure of an argument f. Summarize
3. Ask and answer questions of clarification and/or challenge, such as,
a. Why? b. What is your main point? c. What do you mean by…? d. What would be an example? e. What would not be an example (though close to being one)? f. How does that apply to this case (describe a case, which might well appear to be a counter example)? g. What difference does it make? h. What are the facts? i. Is this what you are saying: ____________? j. Would you say some more about that?
(The next two involve the basis for the decision.)
4. Judge the credibility of a source. Major criteria (but not necessary conditions):
a. Expertise b. Lack of conflict of interest c. Agreement among sources d. Reputation e. Use of established procedures f. Known risk to reputation g. Ability to give reasons h. Careful habits
5. Observe, and judge observation reports. Major criteria (but not necessary conditions, except for the first):
a. Minimal inferring involved b. Short time interval between observation and report c. Report by the observer, rather than someone else (that is, the report is not hearsay) d. Provision of records. e. Corroboration f. Possibility of corroboration g. Good access h. Competent employment of technology, if technology is useful i. Satisfaction by observer (and reporter, if a different person) of the credibility criteria in Ability # 4 above.
(The next three involve inference.)
6. Deduce, and judge deduction
a. Class logic b. Conditional logic c. Interpretation of logical terminology in statements, including (1) Negation and double negation (2) Necessary and sufficient condition language (3) Such words as "only", "if and only if", "or", "some", "unless", "not both".
7. Induce, and judge induction
a. To generalizations. Broad considerations: (1) Typicality of data, including sampling where appropriate (2) Breadth of coverage (3) Acceptability of evidence b. To explanatory conclusions (including hypotheses) (1) Major types of explanatory conclusions and hypotheses: (a) Causal claims (b) Claims about the beliefs and attitudes of people (c) Interpretation of authors’ intended meanings (d) Historical claims that certain things happened (including criminal accusations) (e) Reported definitions (f) Claims that some proposition is an unstated reason that the person actually used (2) Characteristic investigative activities (a) Designing experiments, including planning to control variables (b) Seeking evidence and counter-evidence (c) Seeking other possible explanations (3) Criteria, the first five being essential, the sixth being desirable (a) The proposed conclusion would explain the evidence (b) The proposed conclusion is consistent with all known facts (c) Competitive alternative explanations are inconsistent with facts (d) The evidence on which the hypothesis depends is acceptable. (e) A legitimate effort should have been made to uncover counter-evidence (f) The proposed conclusion seems plausible
8. Make and judge value judgments: Important factors:
a. Background facts b. Consequences of accepting or rejecting the judgment c. Prima facie application of acceptable principles d. Alternatives e. Balancing, weighing, deciding
(The next two abilities involve advanced clarification.)
9. Define terms and judge definitions. Three dimensions are form, strategy, and content.
a. Form. Some useful forms are: (1) Synonym (2) Classification (3) Range (4) Equivalent expression (5) Operational (6) Example and non-example b. Definitional strategy (1) Acts (a) Report a meaning (b) Stipulate a meaning (c) Express a position on an issue (including "programmatic" and "persuasive" definitions) (2) Identifying and handling equivocation c. Content of the definition
10. Attribute unstated assumptions (an ability that belongs under both clarification and, in a way, inference)
(The next two abilities involve supposition and integration.)
11. Consider and reason from premises, reasons, assumptions, positions, and other propositions with which they disagree or about which they are in doubt -- without letting the disagreement or doubt interfere with their thinking ("suppositional thinking")
12. Integrate the other abilities and dispositions in making and defending a decision
(The first twelve abilities are constitutive abilities. The next three are auxiliary critical thinking abilities: Having them, though very helpful in various ways, is not constitutive of being a critical thinker.)
13. Proceed in an orderly manner appropriate to the situation. For example:
a. Follow problem solving steps b. Monitor one's own thinking (that is, engage in metacognition) c. Employ a reasonable critical thinking checklist
14. Be sensitive to the feelings, level of knowledge, and degree of sophistication of others
15. Employ appropriate rhetorical strategies in discussion and presentation (orally and in writing), including employing and reacting to "fallacy" labels in an appropriate manner.
Examples of fallacy labels are "circularity," "bandwagon," "post hoc," "equivocation," "non sequitur," and "straw person."
Dewey, John Critical thinking is "active, persistent, and careful consideration of any belief or supposed form of knowledge in the light of the grounds that support it and the further conclusions to which it tends (Dewey 1933: 118)."
Glaser (1) an attitude of being disposed to consider in a thoughtful way the problems and subjects that come within the range of one's experiences, (2) knowledge of the methods of logical inquiry and reasoning, and (3) some skill in applying those methods. 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, pp. 5-6).
Abilities include: "(a) to recognize problems, (b) to find workable means for meeting those problems, (c) to gather and marshal pertinent information, (d) to recognize unstated assumptions and values, (e) to comprehend and use language with accuracy, clarity and discrimination, (f) to interpret data, (g) to appraise evidence and evaluate statements, (h) to recognize the existence of logical relationships between propositions, (i) to draw warranted conclusions and generalizations, (j) to put to test the generalizations and conclusions at which one arrives, (k) to reconstruct one's patterns of beliefs on the basis of wider experience; and (l) to render accurate judgments about specific things and qualities in everyday life." (p.6)
MCC General Education Initiatives "Critical thinking includes the ability to respond to material by distinguishing between facts and opinions or personal feelings, judgments and inferences, inductive and deductive arguments, and the objective and subjective. It also includes the ability to generate questions, construct, and recognize the structure of arguments, and adequately support arguments; define, analyze, and devise solutions for problems and issues; sort, organize, classify, correlate, and analyze materials and data; integrate information and see relationships; evaluate information, materials, and data by drawing inferences, arriving at reasonable and informed conclusions, applying understanding and knowledge to new and different problems, developing rational and reasonable interpretations, suspending beliefs and remaining open to new information, methods, cultural systems, values and beliefs and by assimilating information."
Nickerson, Perkins and Smith (1985) "The ability to judge the plausibility of specific assertions, to weigh evidence, to assess the logical soundness of inferences, to construct counter-arguments and alternative hypotheses."
Moore and Parker , Critical Thinking Critical Thinking is "the careful, deliberate determination of whether we should accept, reject, or suspend judgment about a claim, and the degree of confidence with which we accept or reject it."
Delphi Report "We understand critical thinking to be purposeful, self-regulatory judgment which results in interpretation, analysis, evaluation, and inference, as well as explanation of the evidential, conceptual, methodological, criteriological, or contextual considerations upon which that judgment is based. CT is essential as a tool of inquiry. As such, CT is a liberating force in education and a powerful resource in one's personal and civic life. While not synonymous with good thinking, CT is a pervasive and self-rectifying human phenomenon. The ideal critical thinker is habitually inquisitive, well-informed, trustful of reason, open-minded, flexible, fair-minded in evaluation, honest in facing personal biases, prudent in making judgments, willing to reconsider, clear about issues, orderly in complex matters, diligent in seeking relevant information, reasonable in the selection of criteria, focused in inquiry, and persistent in seeking results which are as precise as the subject and the circumstances of inquiry permit. Thus, educating good critical thinkers means working toward this ideal. It combines developing CT skills with nurturing those dispositions which consistently yield useful insights and which are the basis of a rational and democratic society."
A little reformatting helps make this definition more comprehensible:
We understand critical thinking to be purposeful, self-regulatory judgment which results in
- interpretation
as well as explanation of the
- methodological
- criteriological
considerations upon which that judgment is based.
Francis Bacon (1605) "For myself, I found that I was fitted for nothing so well as for the study of Truth; as having a mind nimble and versatile enough to catch the resemblances of things … and at the same time steady enough to fix and distinguish their subtler differences; as being gifted by nature with desire to seek, patience to doubt, fondness to meditate, slowness to assert, readiness to consider, carefulness to dispose and set in order; and as being a man that neither affects what is new nor admires what is old, and that hates every kind of imposture."
A shorter version is "the art of being right."
Or, more prosaically: critical thinking is "the skillful application of a repertoire of validated general techniques for deciding the level of confidence you should have in a proposition in the light of the available evidence."
HELPFUL REFERENCE: http://plato.stanford.edu/entries/logic-informal/
Critical Thinking
An Introduction To The Didactics Of Thinking Training
- © 2023
- Dirk Jahn 0 ,
- Michael Cursio 1
Friedrich Alexander Uni, Fortbildungszentrum Hochschullehre FBZHL, Fürth, Germany
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Friedrich Alexander Universität Erlangen-Nürnberg, Fortbildungszentrum Hochschullehre FBZHL, Fürth, Germany
- Introduction to the didactics of critical reflection
- Introductory volume on the theoretical foundations of critical thinking
- Didactic practical strategies to promote critical thinking
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About this book
- Judgement and critical faculties
- University Teaching
- Thinking Training
- Critical thinking
- Didactics of Science
Table of contents (9 chapters)
Front matter, theory of critical thinking, attitudes and thinking styles in critical thinking.
- Dirk Jahn, Michael Cursio
Analytical-Epistemic Thinking
Ethical thinking, didactics of critical thinking, critical thinking as a rediscovered educational goal, systematization of approaches to thinking training, results of empirical educational research on thinking training, a process model as a compass for the didactic design of thinking training courses, assessment of critical thinking, examples of the practice of thinking training, back matter, authors and affiliations.
Michael Cursio
About the authors
Dr. Dirk Jahn, research associate at the Center for Continuing Education in Higher Education (FBZHL) at the Friedrich-Alexander University of Erlangen-Nuremberg. Scientific focus: the promotion of critical thinking, design-based research, action theory, the didactic use of films.
Dr. Michael Cursio Continuing Education Center for University Teaching at the Friedrich-Alexander University Erlangen-Nuremberg
Main research interests: Didactics of science, competence-oriented teaching, didactics of the philosophy of science.
Bibliographic Information
Book Title : Critical Thinking
Book Subtitle : An Introduction To The Didactics Of Thinking Training
Authors : Dirk Jahn, Michael Cursio
DOI : https://doi.org/10.1007/978-3-658-41543-3
Publisher : Springer VS Wiesbaden
eBook Packages : Education , Education (R0)
Copyright Information : The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Fachmedien Wiesbaden GmbH, part of Springer Nature 2023
Softcover ISBN : 978-3-658-41542-6 Published: 10 December 2023
eBook ISBN : 978-3-658-41543-3 Published: 09 December 2023
Edition Number : 1
Number of Pages : XIII, 199
Number of Illustrations : 7 b/w illustrations
Topics : Higher Education
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9 characteristics of critical thinking (and how you can develop them)
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It's no secret that critical thinking is essential for growth and success. Yet many people aren't quite sure what it means — it sounds like being a critic or cynical, traits that many people want to avoid.
However, thinking critically isn't about being negative. On the contrary, effective critical thinkers possess many positive traits. Attributes like curiosity, compassion, and communication are among the top commonalities that critical thinkers share, and the good news is that we can all learn to develop these capabilities.
This article will discuss some of the principal characteristics of critical thinking and how developing these qualities can help you improve your decision-making and problem-solving skills. With a bit of self-reflection and practice, you'll be well on your way to making better decisions, solving complex problems, and achieving success across all areas of your life.
What is critical thinking?
Scholarly works on critical thinking propose many ways of interpreting the concept ( at least 17 in one reference! ), making it challenging to pinpoint one exact definition. In general, critical thinking refers to rational, goal-directed thought through logical arguments and reasoning. We use critical thinking to objectively assess and evaluate information to form reasonable judgments.
Critical thinking has its roots in ancient Greece. The philosopher Socrates is credited with being one of the first to encourage his students to think critically about their beliefs and ideas. Socrates believed that by encouraging people to question their assumptions, they would be able to see the flaws in their reasoning and improve their thought processes.
Today, critical thinking skills are considered vital for success in academia and everyday life. One of the defining " 21st-century skills ," critical thinking is integral to problem-solving, decision making, and goal setting.
Why is it necessary to develop critical thinking skills?
Critical thinking skills help us learn new information, understand complex concepts, and make better decisions. The ability to be objective and reasonable is an asset that can enhance personal and professional relationships.
The U.S. Department of Labor reports critical thinking is among the top desired skills in the workplace. The ability to develop a properly thought-out solution in a reasonable amount of time is highly valued by employers. Companies want employees who can solve problems independently and work well in a team. A desirable employee can evaluate situations critically and creatively, collaborate with others, and make sound judgments.
Critical thinking is an essential component of academic study as well. Critical thinking skills are vital to learners because they allow students to build on their prior knowledge and construct new understandings. This will enable learners to expand their knowledge and experience across various subjects.
Despite its importance, though, critical thinking is not something that we develop naturally or casually. Even though critical thinking is considered an essential learning outcome in many universities, only 45% of college students in a well-known study reported that their skills had improved after two years of classes.
9 characteristics of critical thinking
Clearly, improving our ability to think critically will require some self-improvement work. As lifelong learners, we can use this opportunity for self-reflection to identify where we can improve our thinking processes.
Strong critical thinkers possess a common set of personality traits, habits, and dispositions. Being aware of these attributes and putting them into action can help us develop a strong foundation for critical thinking. These essential characteristics of critical thinking can be used as a toolkit for applying specific thinking processes to any given situation.
Curiosity is one of the most significant characteristics of critical thinking. Research has shown that a state of curiosity drives us to continually seek new information . This inquisitiveness supports critical thinking as we need to constantly expand our knowledge to make well-informed decisions.
Curiosity also facilitates critical thinking because it encourages us to question our thoughts and mental models, the filters we use to understand the world. This is essential to avoid critical thinking barriers like biases and misconceptions. Challenging our beliefs and getting curious about all sides of an issue will help us have an open mind during the critical thinking process.
Actionable Tip: Choose to be curious. When you ask “why,” you learn about things around you and clarify ambiguities. Google anything you are curious about, read new books, and play with a child. Kids have a natural curiosity that can be inspiring.
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2. Analytical
Investigation is a crucial component of critical thinking, so it's important to be analytical. Analytical thinking involves breaking down complex ideas into their simplest forms . The first step when tackling a problem or making a decision is to analyze information and consider it in smaller pieces. Then, we use critical thinking by gathering additional information before getting to a judgment or solution.
Being analytical is helpful for critical thinking because it allows us to look at data in detail. When examining an issue from various perspectives, we should pay close attention to these details to arrive at a decision based on facts. Taking these steps is crucial to making good decisions.
Actionable Tip: Become aware of your daily surroundings. Examine how things work — breaking things down into steps will encourage analysis. You can also play brain and puzzle games. These provide an enjoyable way to stimulate analytical thinking.
3. Introspective
Critical thinkers are typically introspective. Introspection is a process of examining our own thoughts and feelings. We do this as a form of metacognition, or thinking about thinking. Researchers believe that we can improve our problem-solving skills by using metacognition to analyze our reasoning processes .
Being introspective is essential to critical thinking because it helps us be self-aware. Self-awareness encourages us to acknowledge and face our own biases, prejudices, and selfish tendencies. If we know our assumptions, we can question them and suspend judgment until we have all the facts.
Actionable Tip: Start a journal. Keep track of your thoughts, feelings, and opinions throughout the day, especially when faced with difficult decisions. Look for patterns. You can avoid common thought fallacies by being aware of them.
4. Able to make inferences
Another characteristic of critical thinking is the ability to make inferences, which are logical conclusions based on reviewing the facts, events, and ideas available. Analyzing the available information and observing patterns and trends will help you find relationships and make informed decisions based on what is likely to happen.
The ability to distinguish assumptions from inferences is crucial to critical thinking. We decide something is true by inference because another thing is also true, but we decide something by assumption because of what we believe or think we know. While both assumptions and inferences can be valid or invalid, inferences are more rational because data support them.
Actionable Tip: Keep an eye on your choices and patterns during the day, noticing when you infer. Practice applying the Inference Equation — I observe + I already know = So now I am thinking — to help distinguish when you infer or assume.
5. Observant
Observation skills are also a key part of critical thinking. Observation is more than just looking — it involves arranging, combining, and classifying information through all five senses to build understanding. People with keen observation skills notice small details and catch slight changes in their surroundings.
Observation is one of the first skills we learn as children , and it is critical for problem-solving. Being observant allows us to collect more information about a situation and use that information to make better decisions and solve problems. Further, it facilitates seeing things from different perspectives and finding alternative solutions.
Actionable Tip: Limit your use of devices, and be mindful of your surroundings. Notice and name one thing for each of your five senses when you enter a new environment or even a familiar one. Being aware of what you see, hear, smell, taste, and touch allows you to fully experience the moment and it develops your ability to observe your surroundings.
6. Open-minded and compassionate
Open-minded and compassionate people are good critical thinkers. Being open-minded means considering new ideas and perspectives, even if they conflict with your own. This allows you to examine different sides of an issue without immediately dismissing them. Likewise, compassionate people can empathize with others, even if they disagree. When you understand another person's point of view, you can find common ground and understanding.
Critical thinking requires an open mind when analyzing opposing arguments and compassion when listening to the perspective of others. By exploring different viewpoints and seeking to understand others' perspectives, critical thinkers can gain a more well-rounded understanding of an issue. Using this deeper understanding, we can make better decisions and solve more complex problems.
Actionable Tip: Cultivate open-mindedness and compassion by regularly exposing yourself to new ideas and views. Read books on unfamiliar topics, listen to podcasts with diverse opinions, or talk with people from different backgrounds.
7. Able to determine relevance
The ability to assess relevance is an essential characteristic of critical thinking. Relevance is defined as being logically connected and significant to the subject. When a fact or statement is essential to a topic, it can be deemed relevant.
Relevance plays a vital role in many stages of the critical thinking process . It's especially crucial to identify the most pertinent facts before evaluating an argument. Despite being accurate and seemingly meaningful, a point may not matter much to your subject. Your criteria and standards are equally relevant, as you can't make a sound decision with irrelevant guidelines.
Actionable Tip: When you're in a conversation, pay attention to how each statement relates to what you're talking about. It's surprising how often we stray from the point with irrelevant information. Asking yourself, "How does that relate to the topic?" can help you spot unrelated issues.
Critical thinking requires willingness. Some scholars argue that the "willingness to inquire" is the most fundamental characteristic of critical thinking , which encompasses all the others. Being willing goes hand in hand with other traits, like being flexible and humble. Flexible thinkers are willing to adapt their thinking to new evidence or arguments. Those who are humble are willing to acknowledge their faults and recognize their limitations.
It's essential for critical thinking that we have an open mind and are willing to challenge the status quo. The willingness to question assumptions, consider multiple perspectives, and think outside the box allows critical thinkers to reach new and necessary conclusions.
Actionable Tip: Cultivate willingness by adopting a growth mindset. See challenges as learning opportunities. Celebrate others' accomplishments, and get curious about what led to their success.
9. Effective communicators
Being a good critical thinker requires effective communication. Effective critical thinkers know that communication is imperative when solving problems. They can articulate their goals and concerns clearly while recognizing others' perspectives. Critical thinking requires people to be able to listen to each other's opinions and share their experiences respectfully to find the best solutions.
A good communicator is also an attentive and active listener. Listening actively goes beyond simply hearing what someone says. Being engaged in the discussion involves:
- Listening to what they say
- Being present
- Asking questions that clarify their position
Actively listening is crucial for critical thinking because it helps us understand other people's perspectives.
Actionable Tip: The next time you speak with a friend, family member, or even a complete stranger, take the time to genuinely listen to what they're saying. It may surprise you how much you can learn about others — and about yourself — when you take the time to listen carefully.
The nine traits above represent just a few of the most common characteristics of critical thinking. By developing or strengthening these characteristics, you can enhance your capacity for critical thinking.
Get to the core of critical thinking
Critical thinking is essential for success in every aspect of life, from personal relationships to professional careers. By developing your critical thinking skills , you can challenge the status quo and gain a new perspective on the world around you. You can start improving your critical thinking skills today by determining which characteristics of critical thinking you need to work on and using the actionable tips to strengthen them. With practice, you can become a great critical thinker.
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Critical Thinking: Where to Begin
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If you are new to critical thinking or wish to deepen your conception of it, we recommend you review the content below and bookmark this page for future reference.
Our Conception of Critical Thinking...
![introduction to basic concepts of critical thinking getting started with critical thinking](https://www.criticalthinking.org/image/pimage/Library-stack1.jpg)
"Critical thinking is 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 its exemplary form, it is based on universal intellectual values that transcend subject matter divisions: clarity, accuracy, precision, consistency, relevance, sound evidence, good reasons, depth, breadth, and fairness..."
"Critical thinking is self-guided, self-disciplined thinking which attempts to reason at the highest level of quality in a fairminded way. People who think critically attempt, with consistent and conscious effort, to live rationally, reasonably, and empathically. They are keenly aware of the inherently flawed nature of human thinking when left unchecked. They strive to diminish the power of their egocentric and sociocentric tendencies. They use the intellectual tools that critical thinking offers – concepts and principles that enable them to analyze, assess, and improve thinking. They work diligently to develop the intellectual virtues of intellectual integrity, intellectual humility, intellectual civility, intellectual empathy, intellectual sense of justice and confidence in reason. They realize that no matter how skilled they are as thinkers, they can always improve their reasoning abilities and they will at times fall prey to mistakes in reasoning, human irrationality, prejudices, biases, distortions, uncritically accepted social rules and taboos, self-interest, and vested interest.
They strive to improve the world in whatever ways they can and contribute to a more rational, civilized society. At the same time, they recognize the complexities often inherent in doing so. They strive never to think simplistically about complicated issues and always to consider the rights and needs of relevant others. They recognize the complexities in developing as thinkers, and commit themselves to life-long practice toward self-improvement. They embody the Socratic principle: The unexamined life is not worth living , because they realize that many unexamined lives together result in an uncritical, unjust, dangerous world."
Why Critical Thinking?
![introduction to basic concepts of critical thinking introduction to basic concepts of critical thinking](https://www.criticalthinking.org/image/pimage/Thinking-Man1.jpg)
The Problem:
Everyone thinks; it is our nature to do so. But much of our thinking, left to itself, is biased, distorted, partial, uninformed, or down-right prejudiced. Yet the quality of our lives and that of what we produce, make, or build depends precisely on the quality of our thought. Shoddy thinking is costly, both in money and in quality of life. Excellence in thought, however, must be systematically cultivated.
A Brief Definition:
Critical thinking is the art of analyzing and evaluating thinking with a view to improving it. The Result:
A well-cultivated critical thinker:
- raises vital questions and problems, formulating them clearly and precisely;
- gathers and assesses relevant information, using abstract ideas to interpret it effectively;
- comes to well-reasoned conclusions and solutions, testing them against relevant criteria and standards;
- thinks openmindedly within alternative systems of thought, recognizing and assessing, as need be, their assumptions, implications, and practical consequences; and
- communicates effectively with others in figuring out solutions to complex problems.
Critical thinking is, in short, self-directed, self-disciplined, self-monitored, and self-corrective thinking. It requires rigorous standards of excellence and mindful command of their use. It entails effective communication and problem-solving abilities, and a commitment to overcoming our native egocentrism and sociocentrism. Read more about our concept of critical thinking .
The Essential Dimensions of Critical Thinking
![introduction to basic concepts of critical thinking introduction to basic concepts of critical thinking](https://www.criticalthinking.org/image/pimage/Standards-Elems-Traits.jpg)
Our conception of critical thinking is based on the substantive approach developed by Dr. Richard Paul and his colleagues at the Center and Foundation for Critical Thinking over multiple decades. It is relevant to every subject, discipline, and profession, and to reasoning through the problems of everyday life. It entails five essential dimensions of critical thinking:
At the left is an overview of the first three dimensions. In sum, the elements or structures of thought enable us to "take our thinking apart" and analyze it. The intellectual standards are used to assess and evaluate the elements. The intellectual traits are dispositions of mind embodied by the fairminded critical thinker. To cultivate the mind, we need command of these essential dimensions, and we need to consistently apply them as we think through the many problems and issues in our lives.
The Elements of Reasoning and Intellectual Standards
![introduction to basic concepts of critical thinking introduction to basic concepts of critical thinking](https://www.criticalthinking.org/image/pimage/CTModel1-starter.jpg)
To learn more about the elements of thought and how to apply the intellectual standards, check out our interactive model. Simply click on the link below, scroll to the bottom of the page, and explore the model with your mouse.
Why the Analysis of Thinking Is Important If you want to think well, you must understand at least the rudiments of thought, the most basic structures out of which all thinking is made. You must learn how to take thinking apart. Analyzing the Logic of a Subject When we understand the elements of reasoning, we realize that all subjects, all disciplines, have a fundamental logic defined by the structures of thought embedded within them. Therefore, to lay bare a subject’s most fundamental logic, we should begin with these questions:
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Going Deeper...
![introduction to basic concepts of critical thinking introduction to basic concepts of critical thinking](https://www.criticalthinking.org/image/pimage/iStock_book.jpg)
The Critical Thinking Bookstore
Our online bookstore houses numerous books and teacher's manuals , Thinker's Guides , videos , and other educational materials .
Learn From Our Fellows and Scholars
Watch our Event Calendar , which provides an overview of all upcoming conferences and academies hosted by the Foundation for Critical Thinking. Clicking an entry on the Event Calendar will bring up that event's details, and the option to register. For those interested in online learning, the Foundation offers accredited online courses in critical thinking for both educators and the general public, as well as an online test for evaluating basic comprehension of critical thinking concepts . We are in the process of developing more online learning tools and tests to offer the community.
Utilizing this Website
This website contains large amounts research and an online library of articles , both of which are freely available to the public. We also invite you to become a member of the Critical Thinking Community , where you will gain access to more tools and materials. If you cannot locate a resource on a specific topic or concept, try searching for it using our Search Tool . The Search Tool is at the upper-right of every page on the website.
![Craig B. Barkacs MBA, JD Craig B. Barkacs MBA, JD](https://cdn2.psychologytoday.com/assets/styles/profile_teaser_small/public/field_user_blogger_photo/craig_barkacs-removebg-preview.jpg?itok=QduXad0d)
Critical Thinking Is All About “Connecting the Dots”
Why memory is the missing piece in teaching critical thinking..
Updated July 23, 2024 | Reviewed by Monica Vilhauer
- Critical thinking requires us to simultaneously analyze and interpret different pieces of information.
- To effectively interpret information, one must first be able to remember it.
- With technology reducing our memory skills, we must work on strengthening them.
I have a couple of questions for my regular (or semi-regular) readers, touching on a topic I’ve discussed many times on this blog. When it comes to power, persuasion , and influence, why is critical thinking so crucial? Alternatively, what are some common traps and pitfalls for those who prioritize critical thinking? It's not necessary that you go in to great detail—just any vague or general information that comes to mind will do.
Great! Regardless of whether you recalled anything specific, the key is you made the effort to remember something. Like many questions I pose here, the real purpose is to illustrate a point. If you aim to be influential and persuasive—i.e., successful—in both work and life, you must be proficient in critical thinking. To achieve this proficiency, you need to cultivate and exercise your memory , a skill that is increasingly at risk in a technology-saturated age.
Remembering Is the Foundation of Knowing
Learning and remembering something are often discussed as if they are two separate processes, but they are inextricably linked . Consider this: Everything you know now is something you once had to learn, from basic facts to complex knowledge and skills. Retaining this information as actual knowledge, rather than fleeting stimuli, depends entirely on memory. Without memory, there is no knowledge. Consequently, there can be no critical thinking, as it relies on prior knowledge, which in turn relies on memory.
Students sometimes tell me that they want to learn how to be good critical thinkers but complain about having to “memorize stuff.” On these occasions I will often say, in a playfully teasing manner, “What I hear you saying is that you're bothered by having to remember stuff.” This usually helps them see how silly and unreasonable it is to complain about memorizing information, as there isn’t a single course in existence that doesn’t require remembering something . The ability to remember is at the core of critical thinking, and I often use the simple visual demonstration that follows to illustrate this point.
Collecting Dots and Connecting the Dots
Benjamin Bloom, an educational psychologist, developed a model known as the “Taxonomy of Learning.” Originally intended for educational psychology, this model also highlights why memory is the foundation of critical thinking—or any kind of thinking at all.
Humans are creatures of interpretation, constantly processing the information we perceive. This ability has made us the scientists, inventors, and artists that we are today. To interpret information, however, we must first remember it—not all information, obviously, as that’s impossible. Thanks to technology (which we’ll get to momentarily) we have vast amounts of information potentially at our fingertips. But how do you know what information to look up in a given situation? To know where to start and avoid endlessly searching irrelevant data, you need to remember enough of the right kind of information.
Think of a crime movie where an investigator, while reviewing evidence, suddenly has an epiphany and rushes off to confirm their hunch. These scenes illustrate that while the investigator needs more information, they remember enough to know what to search for.
Here’s a visual demonstration I use in class to help my students understand. Imagine you have pieces of information represented as five dots:
![Craig Barkacs Craig Barkacs](https://cdn2.psychologytoday.com/assets/styles/article_inline_full_caption/public/field_blog_entry_images/2024-07/1.jpg?itok=4HdD2OZ1)
Now let’s say that any coherent shape or picture you can draw using these dots is an interpretation of the information. When examined together, what might these five dots mean? Here’s one way to connect the dots.
![Craig Barkacs Craig Barkacs](https://cdn2.psychologytoday.com/assets/styles/article_inline_full_caption/public/field_blog_entry_images/2024-07/2.jpg?itok=sC5SA-bD)
What does this shape represent? Many people will quickly say it’s a house, a common and reasonable interpretation. But not everyone sees it as a house. Some might say it’s the home plate used in baseball. Even when people connect the dots (i.e., interpret a cluster of information) the same way using the same lines, they don’t necessarily interpret the picture the same way. The situation becomes more complex when people connect the dots differently, creating a completely different shape or picture.
![Craig Barkacs Craig Barkacs](https://cdn2.psychologytoday.com/assets/styles/article_inline_full_caption/public/field_blog_entry_images/2024-07/3.jpg?itok=gYPfNa2t)
Now, having connected the dots differently, instead of a house, we have a star. Or at least some would consider it a star; others might say it’s an occult or magic symbol—these are all very different interpretations. This shows that with the same pieces of information, people can “connect the dots” differently, and even when they connect them the same way, they see different things.
Now what happens when additional information is added or an alleged “missing dot” is perceived by others?
![Craig Barkacs Craig Barkacs](https://cdn2.psychologytoday.com/assets/styles/article_inline_full_caption/public/field_blog_entry_images/2024-07/4.jpg?itok=ZMNqZIcO)
With just one additional dot, what could have previously been interpreted as a 5-pointed star can now be reasonably interpreted as the Star of David.
Finally, sometimes the additional information can lead to a completely different shape or image, resulting in a “eureka” moment of insight. What previously appeared as different types of stars now looks like a circle.
![title= introduction to basic concepts of critical thinking](https://cdn2.psychologytoday.com/assets/styles/manual_crop_1_1_75x75/public/teaser_image/blog_entry/2024-07/FMRI_scan_during_working_memory_tasks.jpg?itok=BDGRLnva)
I use this classroom demonstration to illustrate how people can interpret the same objective information in highly subjective ways, creating different narratives for themselves and others. This is a crucial point to remember when aiming to influence or persuade others—i.e., the need to see things from their perspective. Additionally, this activity powerfully underscores the importance of “collecting dots”—that is, the importance of remembering crucial bits of information. Without enough such dots, you lack the basic information needed to form meaningful ideas. Without meaningful ideas, you can’t think critically, influence, or persuade. It’s as straightforward as that.
Memory in the Age of Omnipresent Technology
Why is it so crucial to recognize that memory is foundational to critical thinking, power, influence, and persuasion? Partly because this fact isn’t widely acknowledged—and it needs to be. Additionally, we live in an era where memory is under unprecedented assault. While technology allows us to achieve remarkable feats unimaginable to previous generations, it comes at a cost. One such cost is “digital-induced amnesia,” where our memory capabilities atrophy due to information overload and technology taking over many of the cognitive tasks we used to perform ourselves.
Memory doesn’t exist in isolation. It’s closely tied to traits like the ability to focus and pay attention . If you’re not paying attention, you can’t absorb the information that you want or need to remember. Unfortunately, technology also impacts our ability to focus , and this doesn’t even touch on the dramatic ways AI ’s explosive development might undermine our thinking skills .
This article won’t delve into specifics on improving focus and memory in an age of tech ubiquity. Fortunately, resources from Psychology Today can help with that. My goal here is to convince you why memory is so vital for anyone who wishes to be a critical thinker and a persuasive, influential person. Now you know. Whether you’ll remember or not...only time will tell.
![Craig B. Barkacs MBA, JD Craig B. Barkacs MBA, JD](https://cdn2.psychologytoday.com/assets/styles/thumbnail_115x140/public/field_user_blogger_photo/craig_barkacs-removebg-preview.jpg?itok=EG-CtVBP)
Craig Barkacs, MBA, JD, is a professor of business law at the University of San Diego School of Business and a trial lawyer with three decades of experience as an attorney in high-profile cases.
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IMAGES
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COMMENTS
This is an introductory textbook in logic and critical thinking. The goal of the textbook is to provide the reader with a set of tools and skills that will enable them to identify and evaluate arguments. The book is intended for an introductory course that covers both formal and informal logic. As such, it is not a formal logic textbook, but is closer to what one would find marketed as a ...
1 Introduction to Critical Thinking I. ... These are the basic principles of critical thinking, such as the laws of logic, and the methods of scientific reasoning, etc. ... and deal with linguistic complexities and abstract concepts. The California Critical Thinking Disposition Inventory is a psychological test that is used to measure whether ...
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.
Ideas work together according to four basic patterns of cooperation. Basic Patterns: i. Premise / Ultimate Conclusion. Idea. %. Premise - an idea that the argument assumes to be true without support. Inference - the connection that holds between the idea(s) at the top of the arrow and the idea at the bottom of the % arrow when the truth of the ...
But in fact the study of logic is nothing more intimidating or obscure than this: the study of good thinking. 1.1: Prelude to Chapter. 1.2: Introduction and Thought Experiments- The Trolley Problem. 1.3: Truth and Its Role in Argumentation - Certainty, Probability, and Monty Hall. Only certain sorts of sentences can be used in arguments.
This page titled 1: Basic Concepts of Critical Thinking is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Jason Southworth & Chris Swoyer via source content that was edited to the style and standards of the LibreTexts platform. Powered by NICE CXone Expert. In this chapter, we briefly survey several concepts ...
Provides grading rubrics and outlines five levels of close reading and substantive writing. #563m. "Aspiring Thinker's Guide to Critical Thinking" Mini-Guide Price List: (+ shipping and handling) Item #554m. 1-24 copies $6.00 each 25-199 copies $5.00 each 200-499 copies $4.00 each 500+ copies $3.50 each.
The essence of critical thinking concepts and tools distilled into a 20-page pocket-size guide. It is a critical thinking supplement to any textbook or course. It is best used in conjunction with the Analytic Thinking Guide. Keywords: critical thinking concepts; critical thinking tools; analytic thinking; thinker's guide Created Date
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 ...
The common title of this course is "Logic and Critical Thinking." So, we can think about the course as having two main components: the study of formal logic and the study of the tools and strategies of critical thinking. ... Basic Concepts is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Andrew Lavin via ...
Critical thinking is, in short, self-directed, self-disciplined, self-monitored, and self-corrective thinking. It presupposes assent to rigorous standards of excellence and mindful command of their use. It entails effective communication and problem solving abilities and a commitment to overcome our native egocentrism and sociocentrism.
Definition of Critical Thinking. Critical thinking means correct thinking in the pursuit of relevant and reliable knowledge about the world. Another way to describe it is reasonable, reflective, responsible, and skillful thinking that is focused on deciding what to believe or do.
Here are three definitions of critical thinking by leading researchers. First, Robert Ennis's classic definition:1. Critical thinking is reasonable, reflective thinking that is focused on decid-ing what to believe or do. 1. Even before you start reading this text, begin by examining your own con-cept of critical thinking.
A thoroughly updated introduction to the concepts, methods, and standards of critical thinking, A Practical Guide to Critical Thinking: Deciding What to Do and Believe, Second Edition is a unique presentation of the formal strategies used when thinking through reasons and arguments in many areas of expertise. Pursuing an interdisciplinary approach to critical thinking, the book offers a broad ...
Critical thinking is the process of identifying, analyzing, evaluating, and constructing reasoning in deciding what conclusions to draw or actions to take. It encompasses a wide variety of skills and can be practiced at a wide variety of levels. 2. Critical thinking is important because our habitual ways of thinking and acting sometimes fall short.
Critical thinking is self-directed, self-disciplined, self-monitored, and self-corrective thinking. It presupposes assent to rigorous standards of excellence and mindful command of their use. It entails effective communication and problem-solving abilities, as well as a commitment to overcome our native egocentrism and sociocentrism. To Analyze ...
The concept of critical thinking has been defined in many complex ways, but for young students new to the concept, it can best be summed up as thinking and judging for yourself . When you develop critical thinking skills, you will learn to evaluate information that you hear and process information that you collect while recognizing your ...
Critical thinking is the identification and evaluation of evidence to guide decision making. A critical thinker uses broad in-depth analysis of evidence to make decisions and communicate his/her beliefs clearly and accurately. Other Definitions of Critical Thinking:Robert H. Ennis, Author of The Cornell Critical Thinking Tests "Critical thinking is reasonable, reflective thinking that is
A valuable guide on creativity and critical thinking to improve reasoning and decision-making skills Critical thinking skills are essential in virtually any field of study or practice where individuals need to communicate ideas, make decisions, and analyze and solve problems. An Introduction to Critical Thinking and Creativity: Think More, Think Better outlines the necessary tools for readers ...
This book therefore attempts to provide a philosophically and empirically sound as well as application-oriented introduction to the concept and didactics of critical thinking. Especially the higher education space is defined by critically questioning knowledge and practice and thereby producing new insights.
What is critical thinking? Scholarly works on critical thinking propose many ways of interpreting the concept (at least 17 in one reference!), making it challenging to pinpoint one exact definition. In general, critical thinking refers to rational, goal-directed thought through logical arguments and reasoning.
Introduction. 1 Master's-level study and how it differs from undergraduate study ... 4 Models of reflection - core concepts for reflective thinking. 5 Reflective learning - reflection as a strategic study technique. ... However, it is important to emphasise that critical thinking and analysis is not simply related to subject knowledge. At ...
A Brief Definition: Critical thinking is the art of analyzing and evaluating thinking with a view to improving it. A well-cultivated critical thinker: communicates effectively with others in figuring out solutions to complex problems. Critical thinking is, in short, self-directed, self-disciplined, self-monitored, and self-corrective thinking.
Key points. Critical thinking requires us to simultaneously analyze and interpret different pieces of information. To effectively interpret information, one must first be able to remember it.