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Essentials

Critical thinking in short chapters — no textbook, no lectures. Real-life examples from social media, school, and everyday conversations.

Abilene Paradox
Statistical Errors
Accident Fallacy
Logical Fallacies
Accuracy Paradox
Statistical Errors
Acquiescence Bias
Statistical Errors
Action Bias
Cognitive Biases
Actor-Observer Bias
Cognitive Biases
Ad Hominem
Logical Fallacies
Additive Bias
Cognitive Biases
Affect Heuristic
Cognitive Biases
Affirmative Conclusion from a Negative Premise
Logical Fallacies
Affirming a Disjunct
Logical Fallacies
Affirming the Consequent
Logical Fallacies
Ageism
Manipulation & Propaganda
Agenda Setting
Manipulation & Propaganda
Ambiguous Middle Term
Logical Fallacies
Amphiboly
Logical Fallacies
Anchoring Bias
Cognitive Biases
Anchoring Bias Exploitation
Manipulation & Propaganda
Apophenia / Pareidolia
Cognitive Biases
Appeal to (False) Authority
Manipulation & Propaganda
Appeal to Consequences (Argumentum ad Consequentiam)
Logical Fallacies
Appeal to Emotion
Manipulation & Propaganda
Appeal to Fear (Argumentum ad Metum)
Logical Fallacies
Appeal to Flattery
Logical Fallacies
Appeal to Ignorance (Argumentum ad Ignorantiam)
Logical Fallacies
Appeal to Nature
Discourse Mechanics
Appeal to Novelty (Argumentum ad Novitatem)
Logical Fallacies
Appeal to Pity (Argumentum ad Misericordiam)
Logical Fallacies
Appeal to Purity (No True Scotsman)
Manipulation & Propaganda
Appeal to Spite
Logical Fallacies
Appeal to Tradition (Argumentum ad Antiquitatem)
Logical Fallacies
Argument from Alternatives
Argumentation Schemes
Argument from Cause to Effect
Argumentation Schemes
Argument from Commitment
Argumentation Schemes
Argument from Composition/Division
Argumentation Schemes
Argument from Correlation to Cause
Argumentation Schemes
Argument from Definition
Argumentation Schemes
Argument from Example
Argumentation Schemes
Argument from Expert Opinion
Argumentation Schemes
Argument from Fear/Danger Appeal
Argumentation Schemes
Argument from Gradualism
Argumentation Schemes
Argument from Ignorance
Logical Fallacies
Argument from Inconsistency
Argumentation Schemes
Argument from Incredulity
Discourse Mechanics
Argument from Personal Incredulity
Logical Fallacies
Argument from Pity (Ad Misericordiam)
Argumentation Schemes
Argument from Popular Opinion
Argumentation Schemes
Argument from Popular Practice
Argumentation Schemes
Argument from Position to Know
Argumentation Schemes
Argument from Precedent
Argumentation Schemes
Argument from Precedent (Argumentation Scheme)
Argumentation Schemes
Argument from Silence (Argumentum ex Silentio)
Logical Fallacies
Argument from Sunk Cost
Argumentation Schemes
Argument from Values
Argumentation Schemes
Argument from Verbal Classification
Argumentation Schemes
Argument from Waste
Argumentation Schemes
Argument from Waste (Argumentation Scheme)
Argumentation Schemes
Argument from Witness Testimony
Argumentation Schemes
Astroturfing
Manipulation & Propaganda
Attentional Bias
Cognitive Biases
Authority Bias
Cognitive Biases
Automation Bias
Cognitive Biases
Availability Heuristic
Cognitive Biases
Backfire Effect
Cognitive Biases
Bandwagon Fallacy (Argumentum ad Populum)
Logical Fallacies
Barnum Effect (Forer Effect)
Cognitive Biases
Base Rate Fallacy
Statistical Errors
Base Rate Neglect
Cognitive Biases
Begging the Question (Petitio Principii)
Logical Fallacies
Berkson's Paradox (Collider Bias)
Statistical Errors
Bias Blind Spot
Cognitive Biases
Bizarreness Effect
Cognitive Biases
Bulverism
Logical Fallacies
Burden of Proof Fallacy
Logical Fallacies
Burden of Proof Shifting
Discourse Mechanics
Card Stacking
Manipulation & Propaganda
Cat-a-info-overload
Cat-b-lack-of-meaning
Cat-c-need-for-speed
Cat-d-memory-editing
Censorship Through Noise (Flooding)
Discourse Mechanics
Change Blindness
Cognitive Biases
Chauffeur Know-How
Discourse Mechanics
Cheerleader Effect
Cognitive Biases
Cherry Picking (Suppressed Evidence)
Logical Fallacies
Choice Overload
Cognitive Biases
Choice-Supportive Bias
Cognitive Biases
Circular Reasoning
Logical Fallacies
Clustering Illusion
Cognitive Biases
Complex Forecast Illusion
Discourse Mechanics
Complex Question (Plurium Interrogationum)
Logical Fallacies
Concern Trolling
Discourse Mechanics
Confirmation Bias
Cognitive Biases
Confounding Variable Neglect
Statistical Errors
Conjunction Fallacy
Statistical Errors
Consensus Cracking
Manipulation & Propaganda
Context Collapse
Manipulation & Propaganda
Continuum Fallacy
Logical Fallacies
Contrast Effect
Cognitive Biases
Controlled Opposition
Manipulation & Propaganda
Coordinated Inauthentic Behavior
Manipulation & Propaganda
Cryptomnesia
Cognitive Biases
Curse of Knowledge
Cognitive Biases
DARVO (Deny, Attack, Reverse Victim and Offender)
Discourse Mechanics
Data Dredging (Fishing Expedition)
Statistical Errors
Dead Cat Strategy
Manipulation & Propaganda
Deceptive Framing
Manipulation & Propaganda
Decoy Effect
Cognitive Biases
Deepfake Manipulation
Manipulation & Propaganda
Default Effect
Cognitive Biases
Denomination Effect
Cognitive Biases
Denying the Antecedent
Logical Fallacies
Disposition Effect
Cognitive Biases
Distinction Bias
Cognitive Biases
Distinction Bias (Joint vs. Separate Evaluation)
Cognitive Biases
Doppelganger Impersonation
Manipulation & Propaganda
Double-Dipping (Circular Analysis)
Statistical Errors
Dunning-Kruger Effect
Cognitive Biases
Ecological Fallacy
Ecological Inference Fallacy
Statistical Errors
Emotional Flooding
Manipulation & Propaganda
Empathy Gap
Cognitive Biases
Endowment Effect
Cognitive Biases
Equivocation
Logical Fallacies
Ethotic Argument (Argument from Character)
Argumentation Schemes
Existential Fallacy
Logical Fallacies
Fallacy of Accent
Logical Fallacies
Fallacy of Ambiguity (Equivocation variant)
Logical Fallacies
Fallacy of Composition
Logical Fallacies
Fallacy of Division
Logical Fallacies
Fallacy of Exclusive Premises
Logical Fallacies
Fallacy of Four Terms (Quaternio Terminorum)
Logical Fallacies
Fallacy of Relative Privation
Logical Fallacies
Fallacy of the Consequent
Logical Fallacies
Fallacy of the Single Cause (Causal Oversimplification)
Logical Fallacies
False Analogy (Weak Analogy)
Logical Fallacies
False Balance (Bothsidesism)
Discourse Mechanics
False Causality (Post Hoc)
Logical Fallacies
False Consensus Effect
Cognitive Biases
False Dilemma
Logical Fallacies
False Equivalence
Discourse Mechanics
Faulty Agency Assignment
Discourse Mechanics
Fearmongering
Manipulation & Propaganda
Firehose of Falsehood
Discourse Mechanics
Flag-Waving
Manipulation & Propaganda
Focusing Effect
Cognitive Biases
Frequency Illusion (Baader-Meinhof Phenomenon)
Cognitive Biases
FUD (Fear, Uncertainty, and Doubt)
Manipulation & Propaganda
Fundamental Attribution Error
Cognitive Biases
Gambler Fallacy
Gambler's Fallacy
Cognitive Biases
Gambler's Fallacy (Representativeness)
Cognitive Biases
Gaslighting
Manipulation & Propaganda
Generation Effect
Cognitive Biases
Genetic Fallacy
Logical Fallacies
Ghost Variables
Statistical Errors
Gish Gallop
Manipulation & Propaganda
Glittering Generalities
Manipulation & Propaganda
Goodhart's Law
Statistical Errors
Google Effect (Digital Amnesia)
Cognitive Biases
Group Attribution Error
Cognitive Biases
Guilt by Association
Logical Fallacies
Halo Effect
Cognitive Biases
Hasty Generalization
Logical Fallacies
Historian's Fallacy
Logical Fallacies
Hot Hand Fallacy
Cognitive Biases
Hot-Cold Empathy Gap
Cognitive Biases
Hyperbolic Discounting
Cognitive Biases
IKEA Effect
Cognitive Biases
Illicit Conversion
Logical Fallacies
Illicit Major
Logical Fallacies
Illicit Minor
Logical Fallacies
Illicit Transposition
Logical Fallacies
Illusion of Control
Cognitive Biases
Illusion of Explanatory Depth
Cognitive Biases
Illusion of Transparency
Cognitive Biases
Illusion of Validity
Cognitive Biases
Illusory Correlation
Cognitive Biases
Illusory Superiority
Cognitive Biases
Illusory Truth Effect
Cognitive Biases
In-Group Bias
Cognitive Biases
Inattentional Blindness
Cognitive Biases
Information Laundering
Manipulation & Propaganda
Insensitivity to Sample Size
Cognitive Biases
It Gets Worse Before Better
Discourse Mechanics
JAQing Off (Just Asking Questions)
Discourse Mechanics
Just Asking Questions (JAQing Off)
Manipulation & Propaganda
Just-World Hypothesis
Cognitive Biases
Kafka Trap
Discourse Mechanics
Kettle Logic
Logical Fallacies
Limited Hangout
Manipulation & Propaganda
Loaded Language
Manipulation & Propaganda
Loaded Question
Logical Fallacies
Loss Aversion
Cognitive Biases
Manufactured Consensus
Manipulation & Propaganda
Manufactured Outrage
Manipulation & Propaganda
Manufacturing Consent
Manipulation & Propaganda
Masked Disjunction
Logical Fallacies
Masked Man Fallacy
Logical Fallacies
McNamara Fallacy
Statistical Errors
Mere Exposure Effect
Cognitive Biases
Middle Ground Fallacy (Argument to Moderation)
Logical Fallacies
Misinformation Effect
Cognitive Biases
Misleading Aggregation (Averaging Artifact)
Statistical Errors
Misleading Pie/Donut Chart
Statistical Errors
Modal Fallacy
Logical Fallacies
Modality Effect
Cognitive Biases
Moral Credential Effect
Cognitive Biases
Motte and Bailey
Discourse Mechanics
Moving Goalposts
Moving the Goalposts
Manipulation & Propaganda
Murphy's Law Bias
Cognitive Biases
Naive Cynicism
Cognitive Biases
Naive Realism
Cognitive Biases
Name-Calling
Manipulation & Propaganda
Narrative Laundering
Manipulation & Propaganda
Naturalistic Fallacy
Logical Fallacies
Negative Conclusion from Affirmative Premises
Logical Fallacies
Neglect of Probability
Cognitive Biases
Next-In-Line Effect
Cognitive Biases
Nirvana Fallacy (Perfect Solution Fallacy)
Logical Fallacies
No True Scotsman
Logical Fallacies
Normalcy Bias
Cognitive Biases
Normalization
Manipulation & Propaganda
Omission Bias
Cognitive Biases
Optimism Bias
Cognitive Biases
Othering
Manipulation & Propaganda
Outgroup Homogeneity Bias
Cognitive Biases
Overconfidence Effect
Cognitive Biases
Overfitting
Statistical Errors
Overton Window Manipulation
Manipulation & Propaganda
P-Hacking (Data Dredging)
Statistical Errors
Package Deal Fallacy
Logical Fallacies
Paltering
Manipulation & Propaganda
Part-List Cueing Effect
Cognitive Biases
Peak-End Rule
Cognitive Biases
Pessimism Bias
Cognitive Biases
Plain Folks Appeal
Manipulation & Propaganda
Planning Fallacy
Cognitive Biases
Poisoning the Well
Discourse Mechanics
Post Hoc Ergo Propter Hoc
Logical Fallacies
Practical Reasoning
Argumentation Schemes
Practical Reasoning (Goal-to-Action)
Argumentation Schemes
Probabilistic Conjunction Error (Logical)
Logical Fallacies
Projection Bias
Cognitive Biases
Proportionality Bias
Cognitive Biases
Proving Too Much
Logical Fallacies
Publication Bias (File Drawer Problem)
Statistical Errors
Quality Judgment Without Competence
Cognitive Biases
Quantifier Shift Fallacy
Logical Fallacies
Ratio Bias (Denominator Neglect)
Statistical Errors
Reactive Devaluation
Cognitive Biases
Red Herring
Discourse Mechanics
Regression Fallacy
Logical Fallacies
Regression Neglect
Cognitive Biases
Regression to the Mean Fallacy
Statistical Errors
Reification Fallacy
Logical Fallacies
Repetition (Ad Nauseam)
Manipulation & Propaganda
Representativeness Heuristic
Cognitive Biases
Reverse Cargo Cult
Manipulation & Propaganda
Rosy Retrospection
Cognitive Biases
Salami Tactics
Manipulation & Propaganda
Salience Bias
Cognitive Biases
Scale Manipulation (Uneven Intervals)
Statistical Errors
Schrodingers Satire
Sealioning
Manipulation & Propaganda
Self-Serving Bias
Cognitive Biases
Semmelweis Reflex
Cognitive Biases
Serial Position Effect
Cognitive Biases
Show the Other Side Deficit
Discourse Mechanics
Simpson's Paradox
Statistical Errors
Slippery Slope
Logical Fallacies
Smears / Name-Calling
Manipulation & Propaganda
Social Conformity (Bandwagon)
Manipulation & Propaganda
Sockpuppeting
Manipulation & Propaganda
Source Monitoring Error
Cognitive Biases
Special Pleading
Logical Fallacies
Spotlight Effect
Cognitive Biases
Status Quo Bias
Cognitive Biases
Strategic Ambiguity
Manipulation & Propaganda
Straw Man
Logical Fallacies
Subadditivity Effect
Cognitive Biases
Suggestibility Bias
Cognitive Biases
Sunk Cost Fallacy
Cognitive Biases
Suppressed Quantifier
Logical Fallacies
Survivorship Bias
Cognitive Biases
System Justification Bias
Cognitive Biases
Telescoping Effect
Cognitive Biases
Texas Sharpshooter Fallacy
Logical Fallacies
The Big Lie
Manipulation & Propaganda
Thought Reform (Loaded Language System)
Manipulation & Propaganda
Thought-Terminating Cliché
Manipulation & Propaganda
Tragedy of the Commons
Discourse Mechanics
Triangulation
Manipulation & Propaganda
Truncated Axis (Y-Axis Manipulation)
Statistical Errors
Tu Quoque
Logical Fallacies
Type 1 Error (False Positive)
Statistical Errors
Type 2 Error (False Negative)
Statistical Errors
Underpowered Study
Statistical Errors
Undistributed Middle
Logical Fallacies
Unit Bias
Cognitive Biases
Weak Analogy (Formal)
Logical Fallacies
Weber-Fechner Perception Bias
Cognitive Biases
Wedge Strategy
Manipulation & Propaganda
Whataboutism
Manipulation & Propaganda
Zeigarnik Effect
Cognitive Biases
Zero-Risk Bias
Cognitive Biases
Zero-Sum Bias
Cognitive Biases