Skip to main content

Guide to Evaluating Arguments Study Guide

This guide provides a comprehensive overview of how to evaluate deductive and inductive arguments. It covers key concepts such as validity, soundness, strength, cogency, and common fallacies. Learn a systematic approach to analyze arguments and identify their logical structure and the truth of their premises. Essential for critical thinking and logical reasoning.

Save this study guide to your study set

Sign up free

Your learning path

Fundamentals of Deductive and Inductive Reasoning

Basics of Deductive and Inductive Reasoning

This material explains the differences between deductive arguments that provide logically conclusive support and inductive arguments that provide probable support.

  • Deductive Arguments
  • Inductive Arguments
  • Validity
  • Invalidity
  • Truth-Preserving
  • Strong Inductive Arguments
  • Weak Inductive Arguments
  • Sound Arguments
  • Logical Form
  • Premises
  • Conclusion

Evaluating Deductive and Inductive Arguments

A guide to judging arguments by determining if they are deductive or inductive and evaluating if they are sound, cogent, invalid, or weak.

  • Deductive arguments
  • Inductive arguments
  • Sound arguments
  • Cogent arguments
  • Validity
  • Strength
  • Invalid deductive arguments
  • Weak inductive arguments
  • Deduction indicator words
  • Induction indicator words

Valid and Invalid Argument Patterns

  • Argument patterns
  • Conditional arguments
  • Antecedent
  • Consequent
  • Modus ponens
  • Affirming the antecedent
  • Modus tollens
  • Denying the consequent
  • Denying the antecedent
  • Affirming the consequent
  • Disjunction
  • Disjunctive syllogism
  • Validity

Understanding Logical Fallacies and Reasoning Errors

This content explores various types of fallacies, including the appeal to ignorance, circular reasoning, unwarranted assumptions, and the hasty generalization fallacy.

  • Burden of proof
  • Appeal to ignorance fallacy
  • Circular reasoning
  • Begging the question
  • Unwarranted assumptions
  • Hasty generalization fallacy
  • Inadequate sample size
  • Biased sample

Diagramming Complex Arguments

Identify premise or conclusion indicator words and number statements to draw diagrams using squares for premises and circles for conclusions.

  • Argument diagramming
  • Premise indicator words
  • Conclusion indicator words
  • Extraneous statements
  • Premises
  • Conclusions

Independent and Dependent Premises

Distinguish between independent premises that offer support without other premises and dependent premises that provide joint support for a conclusion.

  • independent premises
  • dependent premises
  • joint support
  • diagramming arguments
  • multi-step arguments
  • sub-argument

Identifying and Evaluating Enthymemes

  • missing conclusion
  • unstated premises
  • the Principle of Charity
  • valid argument
  • inductively strong argument
  • reconstituted argument

Understanding Types of Inductive Reasoning

Diagramming Arguments Practice Questions

Practice questions involving diagramming arguments through various scenarios.

  • Diagramming arguments

Understanding Enumerative Induction

Enumerative induction is a type of inductive argument that reasons from premises about individual members of a group to conclusions about the group as a whole.

  • Enumerative induction
  • Inductive generalization
  • Target group
  • Target population
  • Sample
  • Sample members
  • Relevant property
  • Sample size
  • Representative sample
  • Hasty generalization fallacy

Sampling Methods and Opinion Polls

This content explores how sample size, representativeness, and random sampling influence the accuracy of opinion polls and the margin of error.

  • Sample size
  • Homogeneity
  • Representativeness
  • Biased sample
  • Enumerative induction
  • Random sampling
  • Self-selecting samples
  • Margin of error
  • Confidence level

Understanding Statistical Syllogisms

Statistical syllogisms are inductive arguments that apply a statistical generalization to a specific member of a group or category.

  • Statistical syllogisms
  • Inductive arguments
  • Statistical generalization
  • Enumerative induction
  • Analyzing statistical arguments
  • Statistical strength
  • Strong but unreliable
  • Strong and reliable
  • Weak arguments
  • Randomly selected samples

Analogical Induction and Causal Arguments

This material explains analogical induction, which uses reasoning from similarities between things to reach probable conclusions, and introduces causal arguments regarding causes and effects.

  • Analogical induction
  • Argument by analogy
  • Relevant similarities
  • Relevant dissimilarities
  • Number of instances compared
  • Diversity among cases
  • Causal arguments
  • Causal claim
  • Probable conclusions

Understanding Causality and Inductive Reasoning

This topic explores identifying relationships between events through various forms of induction, Mill's methods, and the distinction between correlation and causation.

  • enumerative induction
  • analogical induction
  • inference to the best explanation
  • Mill's methods
  • method of agreement
  • method of difference
  • joint method of agreement and difference
  • correlation
  • dose-response relationship
  • method of concomitant variation
  • causal confusions
  • post hoc ergo propter hoc fallacy
  • common causal factor
  • necessary condition
  • sufficient condition
  • individually necessary and jointly sufficient

Foundations of Inductive and Scientific Reasoning

Introduction to Inductive Reasoning

This topic explores inductive reasoning, including strong and weak arguments, cogency, and non-scientific approaches like personal experience, anecdotes, commonsense beliefs, and statements of authority.

  • Inductive reasoning
  • Deductive argument
  • Strong and weak arguments
  • Cogency
  • Personal experience
  • Anecdotal evidence
  • Commonsense beliefs
  • Background information
  • Web of belief
  • Statements of authority
  • Expertise
  • Appeal to authority fallacy

Fundamentals of Scientific Reasoning

Science seeks to acquire knowledge and an understanding of reality through the formulation, testing, and evaluation of theories using the scientific method.

  • Scientific reasoning
  • Empirical science
  • Science vs technology
  • Science vs ideology
  • Scientism
  • Scientific method
  • Hypothesis testing
  • Verifiable observations

Hypothesis Formulation and Testing Processes

The process of formulating a hypothesis, deriving test implications, and using confirmation and disconfirmation to evaluate scientific theories.

  • hypothesis construction
  • test implications
  • direct testing
  • indirect testing
  • modus tollens
  • affirming the consequent
  • confirmation and disconfirmation
  • competing hypotheses

Testing Scientific Hypotheses and Theories

This material explores the scientific method through testing hypotheses, addressing the placebo effect, and implementing double-blind experiments and replication.

  • scientific method
  • hypothesis
  • alternate hypothesis
  • placebo effect
  • experimental group
  • control group
  • double-blind
  • replication
  • replication crisis
  • confirmation bias
  • falsify

Foundations of Science and Causality

This topic explores the philosophy of science, including falsifiability, scientific realism, scientific instrumentalism, the problem of induction, and the distinction between correlation and causation.

  • Philosophy of science
  • Falsifiability
  • Scientific realism
  • Scientific instrumentalism
  • Problem of induction
  • Cause and effect
  • Causal claim
  • Correlation
  • Positive correlation
  • Negative correlation
  • Dose-response relationship
  • Causal confusions

Causes of Disparities and Causal Fallacies

Social scientists examine disparities between groups and identify logical fallacies regarding cause and effect, such as confusing temporal order or ignoring common causal factors.

  • disparities
  • genetic differences
  • discrimination
  • post hoc ergo propter hoc
  • common causal factor
  • correlation
  • cause and effect

Judging Scientific Theories and Criteria of Adequacy

This topic examines the criteria of adequacy used for judging scientific theories through case studies of Copernicus versus Ptolemy and Evolution versus Creationism.

  • Criteria of adequacy
  • Testability
  • Fruitfulness
  • Scope
  • Simplicity
  • Conservatism
  • Geocentric view
  • Heliocentric theory
  • Retrograde motion
  • Phases of Venus

Evolution versus Creationism Comparison

A comparison of evolution and creation science regarding their explanations for the origin and existence of biological life on Earth.

  • Evolution
  • Creation science
  • Natural selection
  • Inherited characteristics
  • Species change
  • Catastrophism
  • Empirical evidence
  • Novel predictions

Science and Assessing Weird Theories

Science and critical thinking can be used in assessing weird claims and extraordinary theories.

  • Spiritualism
  • Clairvoyance
  • Telepathy
  • Telekinesis
  • Logical possibility
  • Physical impossibility
  • Psychic abilities
  • Cold reading
  • Criteria of adequacy

Make it your own.

Keep these readings and topics in a new study set, or add them to one you already use.