Behaviour Library Every bias, effect, law, and fallacy in the Atlas, organised by the mechanism that produces it, with a definition, an example, mitigation strategies, and the original research for each one.
Cognitive Overload We cannot process all the information around us.
Anchoring Bias +
Conservatism Bias +
Distinction Bias +
Money Illusion +
Contrast Effect +
Framing Effect +
Focusing Effect +
Weber–Fechner Law +
We Are Drawn to Confirming Details
Subjective Validation +
Post-Purchase Rationalisation +
Confirmation Bias +
Congruence Bias +
Choice-Supportive Bias +
Selective Perception +
Expectation Bias +
Experimenter’s Bias +
Semmelweis Reflex +
Ostrich Effect +
Observer-Expectancy Effect +
Observer Effect +
Continued Influence Effect +
Availability Heuristic +
Context Effect +
Illusory Truth Effect +
Mere Exposure Effect +
Frequency Illusion +
Zipf’s Law +
Attentional Bias +
Mood-Congruent Memory Bias +
Bias Blind Spot +
Naive Realism +
Naive Cynicism +
Bizarreness Effect +
Humour Effect +
Von Restorff Effect +
Picture Superiority Effect +
Self-relevance Effect +
Time Pressure We often have to decide quickly.
Occam’s Razor +
Hick’s Law +
Law of Triviality +
Conjunction Fallacy +
Less-is-Better Effect +
Rhyme-as-Reason Effect +
Bike-Shedding Effect +
Belief Bias +
Information Bias +
Ambiguity Bias +
Streetlight Effect +
Autonomy & Status Preservation
Status Quo Bias +
Social Comparison Effect +
Decoy Effect +
System Justification +
Investment Completion Drive
Backfire Effect +
Endowment Effect +
Processing Difficulty Effect +
Pseudocertainty Effect +
Disposition Effect +
Zero-risk Bias +
Unit Bias +
IKEA Effect +
Loss Aversion +
Generation Effect +
Escalation of Commitment +
Irrational Escalation +
Sunk Cost Fallacy +
Immediacy & Relatability Bias
Identifiable Victim Effect +
Appeal to Novelty +
Hyperbolic Discounting +
Agency & Impact Confidence
Peltzman effect +
Risk compensation +
Effort justification +
Trait ascription bias +
Fundamental attribution error +
Illusory superiority +
Illusion of control +
Actor–observer bias +
Self-serving bias +
Barnum effect +
Forer effect +
Optimism bias +
Egocentric bias +
Dunning–Kruger effect +
Lake Wobegon effect +
Hard–easy effect +
False consensus effect +
Third-person effect +
Social desirability bias +
Overconfidence effect +
Limited Memory We cannot remember everything accurately.
We Discard Specifics to Form Generalities
Stereotypical Bias +
Implicit Stereotypes +
Implicit Association Bias +
Prejudice Bias +
Negativity Bias +
Fading Affect Bias +
Experience-Dependent Memory Encoding
Levels-of-Processing Effect +
Testing Effect +
Power Law of Practice +
Next-in-Line Effect +
Google Effect +
Tip-of-the-Tongue Phenomenon +
Spacing Effect +
Suggestibility +
False Memory +
Cryptomnesia +
Source Confusion +
Misleading and Shaping +
Misinformation Effect +
Serial Recall Effect +
List-length Effect +
Duration Neglect +
Modality Effect +
Memory Inhibition +
Primacy Effect +
Recency Effect +
Part-set Cueing Effect +
Serial-position Effect +
Suffix Effect +
Peak–End Rule +
Need for Meaning We prefer clear stories over uncertainty.
Pattern & Story Inference from Sparse Data
Clustering Illusion +
Illusion of Validity +
Anecdotal Fallacy +
Neglect of Probability +
Insensitivity to Sample Size +
Anthropomorphism +
Pareidolia +
Gambler’s Fallacy +
Law of Large Numbers +
Hot-Hand Fallacy +
Recency Illusion +
Illusory Correlation +
Masked-Man Fallacy +
Quantitative Simplification
Denomination Effect +
Subadditivity Effect +
Murphy’s Law +
Mental Accounting +
Normalcy Bias +
Zero-Sum Bias +
Magical Number Seven ± Two +
Temporal Judgement & Evaluation Biases
Consistency Bias +
Restraint Bias +
Projection Bias +
Pro-innovation Bias +
Time-saving Bias +
Planning Fallacy +
Pessimism Bias +
Impact Bias +
Declinism +
Outcome Bias +
Hindsight Bias +
Rosy Retrospection +
Telescoping Effect +
Perceived Mental Transparency
Illusion of Transparency +
Spotlight Effect +
Curse of Knowledge +
Illusion of Asymmetric Insight +
Extrinsic Incentive Error +
Familiarity & Favourability Valuation
Out-group Homogeneity Bias +
Cross-race Effect +
In-group Favoritism +
Halo Effect +
Cheerleader Effect +
Positivity Effect +
Not-invented-here +
Reactive Devaluation +
Well-travelled road effect +
Placebo effect +
Group Attribution Error +
Ultimate Attribution Error +
Stereotyping +
Essentialism +
Functional Fixedness +
Moral Credential Effect +
Just-world hypothesis +
Argument from Fallacy +
Authority Bias +
Automation Bias +
Bandwagon Effect +