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The New Critical Thinking
An Empirically Informed Introduction





ISBN 9781138687486
Published August 21, 2017 by Routledge
362 Pages

 
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Book Description

Why is it so hard to learn critical thinking skills?

Traditional textbooks focus almost exclusively on logic and fallacious reasoning, ignoring two crucial problems. As psychologists have demonstrated recently, many of our mistakes are not caused by formal reasoning gone awry, but by our bypassing it completely. We instead favor more comfortable, but often unreliable, intuitive methods. Second, the evaluation of premises is of fundamental importance, especially in this era of fake news and politicized science.

This highly innovative text is psychologically informed, both in its diagnosis of inferential errors, and in teaching students how to watch out for and work around their natural intellectual blind spots. It also incorporates insights from epistemology and philosophy of science that are indispensable for learning how to evaluate premises. The result is a hands-on primer for real world critical thinking. The authors bring over four combined decades of classroom experience and a fresh approach to the traditional challenges of a critical thinking course: effectively explaining the nature of validity, assessing deductive arguments, reconstructing, identifying and diagramming arguments, and causal and probabilistic inference. Additionally, they discuss in detail, important, frequently neglected topics, including testimony, the nature and credibility of science, rhetoric, and dialectical argumentation.

Key Features and Benefits:

  • Uses contemporary psychological explanations of, and remedies for, pervasive errors in belief formation. There is no other critical thinking text that generally applies this psychological approach.
  • Assesses premises, notably premises based on the testimony of others, and evaluation of news and other information sources. No other critical thinking textbook gives detailed treatment of this crucial topic. Typically, they only provide a few remarks about when to accept expert opinion / argument from authority.
  • Carefully explains the concept of validity, paying particular attention in distinguishing logical possibility from other species of possibility, and demonstrates how we may mistakenly judge invalid arguments as valid because of belief bias.
  • Instead of assessing an argument’s validity using formal/mathematical methods (i.e., truth tables for propositional logic and Venn diagrams for categorical logic), provides one technique that is generally applicable: explicitly showing that it is impossible to make the conclusion false and the premises true together. For instructors who like the more formal approach, the text also includes standard treatments using truth tables and Venn diagrams.

  • Uses frequency trees and the frequency approach to probability more generally, a simple method for understanding and evaluating quite complex probabilistic information
  • Uses arguments maps, which have been shown to significantly improve students’ reasoning and argument evaluation

Table of Contents

Table of Contents

Acknowledgements

Preface to Instructors

Introduction To Critical Thinking

1. The Aims and Causes of Belief

2. Reasoning and Dual Systems Theory

3. Reasoning, Evidence, and Arguments

4. Why Reason (Properly)?

5. Plan for the Book

Summary

 

Part I: Deduction

Chapter 1: Validity: Why it Matters

1. Distinguishing the Good From the Bad

2. Validity and Impossibility

3. More on Logical Impossibility

     Logical Terms

     Equivocation

4. Logic and the Belief Bias

5. Why it Matters: Missing Premises and Insisting on Validity

Summary

Chapter 2 : Proving Invalidity and Proving Validity

1. Proving Invalidity by Counterexample

2. Proving Validity

3. Negations, Indicative Conditionals, and Two Important Valid Argument Forms

     Conditionals and the Wason Test

4. Two Important Fallacies: Denying the Antecedent and Affirming the Consequent

     An Important Note about Fallacious Argument Forms

5. More Valid Argument Forms and More About Conditionals

6. Equivalent Sentences and Disguised Conditionals

7. Even More Valid Argument Forms: Aristotelian Syllogisms in One Bite

     Using Euler Diagrams:

8. Summation: Evaluating Arguments

Summary

Chapter 3. Reconstructing and Identifying Deductive Arguments

1. Identifying by Evaluating

2. Mapping Complex Arguments

3. Reconstructing by Connecting the Dots

4. Extra Help: Premise and Conclusion Indicators

5. Putting All This Together

Summary

 

Part II: Induction

Chapter 4: Inductive Arguments

1. Statistical Syllogism

     Conditional Support Comes in Degrees

     Undermining By Additional Information and the Requirement of Total Evidence

2. Defeaters and Mapping Inductive Arguments

3. Inductive Generalization

     Defeaters for Inductive Generalizations

     The Availability Heuristic

4. Argument from Analogy

     Defeaters for Analogical Inference

     Deductive Arguments with Analogical Premises

5. Inference to the Best Explanation

6. Balance of Features

7. Confirmation Bias

Summary

Chapter 5: Causal Inference

1. The Nature of Causation

     One More Thing about Causation

2. "The" Cause? Singling out Causes in a Complex World

3. Identifying Causes

4. Causation, Correlation, and Confounds

     Some Varieties of Causal Investigations

     Better and Worse

5. Causal Narratives

6. Singular Causes Revisited

Summary

Chapter 6: Probability and Frequency

1. Introduction to Probability

     Probabilities and System 1

2. Frequencies and Frequency Trees

3. The Probability Calculus

4. Bayes’s Theorem

     The Theorem

     Frequency Trees and Bayes

5. Lies, Damned Lies, and Statistics

     "Averages"

     How to Live

     Effect Size and Effect Significance

Summary

Chapter 7: Reconstructing and Identifying Arguments, Revisited

1. Reconstructing and Identifying

2. Mapping More Complex Arguments

 

 

Part III: Truth: Evaluating Premises

Chapter 8: Testimony

1. The Need for Testimony

2. How Can you Spot the Experts if You’re Not an Expert?

     Sincerity, Competence, Trustworthiness

     Mapping Arguments from Authority

     Testimony and Ad Hominem

3. Epistemological Perils of the Internet

     News, Unreliable News, and Fake News

4. Wikipedia

5. Fair and Balanced?

Summary

Chapter 9: Science

1. Disagreeing with Science: The Earth is Flat and Star Trek is Real

2. Why Trust Science?

3. How Does Science Work?

     Provability

     Falsifiability

4. Hypotheses, Theories, and Conjectures

5. Extended Example: Evolution and Historical Explanation

6. Science in the Non-Science Press

     P-hacking

7. Applying What We’ve Learned: Crowds, Self-selection, and Causal Fallacies

     Democracy and Scientific Fact

Summary

Part IV: Argumentation

Chapter 10: Rhetoric

1. Emotion and Belief

2. Influencing and Bypassing Reasoning

     Apt Feelings

3. Abuses of Emotive Rhetoric

     Ad hominem

     Ad Populum and Peer Pressure

     Appeals to Force, Pity and Consequences

     Other Uses of Emotive Language

4. Rhetorical Tricks with Language

5. Enthymemes, again

6. Rhetoric and Cognitive Illusion

Summary

Chapter 11: Dialectic

1. The Dynamics of Argumentation

     The First Golden Rule of Constructive Argumentation: Respond to the Argument

     The Second Golden Rule: Track the Burden of Proof

     The Third Golden Rule: Demand Overall Consistency

     The Fourth Golden Rule: Be Charitable

2. Ultimate Premises

     Depriving the Claimant of Premises

3. Analogy, Parity of Reasoning, and Tu Quoque

Summary

Appendix of Fallacies

Index

...
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Author(s)

Biography

Jack Lyons is Professor of Philosophy at the University of Arkansas. He is the author of Perception and Basic Beliefs (2009).

Barry Ward is Associate Professor of Philosophy at the University of Arkansas, Fayetteville.

Reviews

"This is among the very best critical thinking textbooks I've ever seen. What distinguishes it from others, besides its clarity and accessibility, is that it doesn't simply explain the norms of good reasoning and the common ways in which people flout those norms; it also explains the mechanisms that cause us to flout those norms more or less predictably, and thereby helps us to refute the voice of the primitive cave dweller who lives in our brain."

--Ram Neta, University of North Carolina, Chapel Hill

"Critical thinking is all too often taught as basic deductive logic with a passing reference to inductive logic.  Lyons and Ward’s empirical approach to critical thinking draws upon the vast literature in cognitive psychology on heuristics and biases. They expertly blend traditional coverage of deductive logic, inductive logic, causal inference, and probability theory with important psychological results. The final product is a refreshing and promising method to train people how to critically evaluate pressing claims."

--Ted Poston, University of South Alabama 

"Logicians have developed accurate methods of testing reasoning for such desirable properties as deductive validity and inductive strength. Recent work in cognitive science has shown, however, that in everyday life we tend to evaluate reasoning on the basis of heuristics that fail to track these properties reliably. Lyons and Ward's brilliant book is the first to acknowledge this gap between theory and practice and to develop effective strategies for overcoming it. Bravo!"

--Christopher Hill, Brown University

"The New Critical Thinking is perfect for introductory students. The approach is original in its being psychologically-informed, and it's practical. It will actually help students become sharper thinkers outside the classroom." 

--Aaron R. Champene, St. Louis Community College, Meramec

Support Material

Companion Website

Please visit our companion website for additional support materials.