Visual Codex

All 38 Cognitive Biases

Browse the complete catalogue of cognitive biases, organised by how they shape thinking. Each bias includes a definition, real-world examples, warning signs, countermeasures, and an interactive thought experiment.

Social & Perception9 biases

07Halo Effect 10Bandwagon Effect 16Projection Bias 18Actor-Observer Bias 20Confirmation Cascade 21Fundamental Attribution Error 24False Consensus Effect 28Spotlight Effect 37In-Group Favoritism

Memory & Attention8 biases

03Availability Heuristic 08Negativity Bias 11Framing Effect 17Hindsight Bias 29Zeigarnik Effect 32Mere Exposure Effect 35Google Effect 36Survivorship Bias

Decision & Choice7 biases

02Anchoring 06Sunk Cost Fallacy 09Status Quo Bias 19Decoy Effect 22Gambler's Fallacy 33Planning Fallacy 34Unit Bias

Belief & Confidence7 biases

01Confirmation Bias 04Dunning-Kruger Effect 14Overconfidence Effect 15Optimism Bias 23Curse of Knowledge 25Backfire Effect 26Barnum Effect

Outcome & Self7 biases

05Loss Aversion 12Self-Serving Bias 13Regression to the Mean 27IKEA Effect 30Endowment Effect 31Ostrich Effect 38Declinism

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