# Cognitive Biases ## Lists [The Cognitive Bias Codex](https://upload.wikimedia.org/wikipedia/commons/6/65/Cognitive_bias_codex_en.svg) - [by Buster Benson](https://busterbenson.com/piles/cognitive-biases/). [In article form](https://www.teachthought.com/critical-thinking/the-cognitive-bias-codex-a-visual-of-180-cognitive-biases/). [Pocket Biases](https://pocket-biases.glideapp.io/?ref=producthunt) - "Every cognitive bias in your pocket." ![https://xkcd.com/2472/](https://1225933412-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LbgvKp60ZrcgYsadNVB%2F-Mbb4OWz14-ifL6W3lNW%2F-Mbb4ZVPsjC-RNLgMRQu%2Fimage.png?alt=media\&token=eede2c4f-7326-437d-b0fc-6a0b175b41db) ## Singles [Anchoring (cognitive bias) - Wikipedia](https://en.wikipedia.org/wiki/Anchoring_\(cognitive_bias\)) [Anecdotal evidence - Wikipedia](https://en.wikipedia.org/wiki/Anecdotal_evidence) [Anthropomorphism - Wikipedia](https://en.wikipedia.org/wiki/Anthropomorphism#Psychology) [Appeal to probability - Wikipedia](https://en.wikipedia.org/wiki/Appeal_to_probability) [Argument from fallacy - Wikipedia](https://en.wikipedia.org/wiki/Argument_from_fallacy) [Attentional bias - Wikipedia](https://en.wikipedia.org/wiki/Attentional_bias) [Authority bias - Wikipedia](https://en.wikipedia.org/wiki/Authority_bias) [Automation bias - Wikipedia](https://en.wikipedia.org/wiki/Automation_bias) [Availability heuristic - Wikipedia](https://en.wikipedia.org/wiki/Availability_heuristic) [Baader–Meinhof phenomenon](https://en.wikipedia.org/wiki/List_of_cognitive_biases#Frequency_illusion) [Bandwagon effect - Wikipedia](https://en.wikipedia.org/wiki/Bandwagon_effect) [Base rate fallacy - Wikipedia](https://en.wikipedia.org/wiki/Base_rate_fallacy) [Bias blind spot - Wikipedia](https://en.wikipedia.org/wiki/Bias_blind_spot) [Bizarreness effect - Wikipedia](https://en.wikipedia.org/wiki/Bizarreness_effect) [Cheerleader effect - Wikipedia](https://en.wikipedia.org/wiki/Cheerleader_effect) [Choice-supportive bias - Wikipedia](https://en.wikipedia.org/wiki/Choice-supportive_bias) [Clustering illusion - Wikipedia](https://en.wikipedia.org/wiki/Clustering_illusion) [Confabulation - Wikipedia](https://en.wikipedia.org/wiki/Confabulation) [Confirmation bias - Wikipedia](https://en.wikipedia.org/wiki/Confirmation_bias) [Congruence bias - Wikipedia](https://en.wikipedia.org/wiki/Congruence_bias) [Conservatism (belief revision) - Wikipedia](https://en.wikipedia.org/wiki/Conservatism_\(belief_revision\)) [Consistency bias](https://en.wikipedia.org/wiki/List_of_cognitive_biases#Consistency_bias) [Context effect - Wikipedia](https://en.wikipedia.org/wiki/Context_effect) [Continued influence effect](https://en.wikipedia.org/wiki/Confirmation_bias#continued_influence_effect) [Contrast effect - Wikipedia](https://en.wikipedia.org/wiki/Contrast_effect) [Cross-race effect - Wikipedia](https://en.wikipedia.org/wiki/Cross-race_effect) [Cue-dependent forgetting - Wikipedia](https://en.wikipedia.org/wiki/Cue-dependent_forgetting) [Curse of knowledge - Wikipedia](https://en.wikipedia.org/wiki/Curse_of_knowledge) [Declinism - Wikipedia](https://en.wikipedia.org/wiki/Declinism) [Denomination effect - Wikipedia](https://en.wikipedia.org/wiki/Denomination_effect) [Distinction bias - Wikipedia](https://en.wikipedia.org/wiki/Distinction_bias) [Empathy gap - Wikipedia](https://en.wikipedia.org/wiki/Empathy_gap) [Essentialism - Wikipedia](https://en.wikipedia.org/wiki/Essentialism) [Extrinsic incentives bias - Wikipedia](https://en.wikipedia.org/wiki/Extrinsic_incentives_bias) [Framing effect (psychology) - Wikipedia](https://en.wikipedia.org/wiki/Framing_effect_\(psychology\)) [Frequency illusion](https://en.wikipedia.org/wiki/List_of_cognitive_biases#Frequency_illusion) [Functional fixedness - Wikipedia](https://en.wikipedia.org/wiki/Functional_fixedness) [Gambler's fallacy - Wikipedia](https://en.wikipedia.org/wiki/Gambler's_fallacy) [Group attribution error - Wikipedia](https://en.wikipedia.org/wiki/Group_attribution_error) [Halo effect - Wikipedia](https://en.wikipedia.org/wiki/Halo_effect) [Hindsight bias - Wikipedia](https://en.wikipedia.org/wiki/Hindsight_bias) [Hot hand - Wikipedia](https://en.wikipedia.org/wiki/Hot_hand) [Humor effect](https://en.wikipedia.org/wiki/List_of_cognitive_biases#Humor_effect) [Illusion of asymmetric insight - Wikipedia](https://en.wikipedia.org/wiki/Illusion_of_asymmetric_insight) [Illusion of external agency - Wikipedia](https://en.wikipedia.org/wiki/Illusion_of_external_agency) [Illusion of transparency - Wikipedia](https://en.wikipedia.org/wiki/Illusion_of_transparency) [Illusion of validity - Wikipedia](https://en.wikipedia.org/wiki/Illusion_of_validity) [Illusory correlation - Wikipedia](https://en.wikipedia.org/wiki/Illusory_correlation) [Illusory truth effect - Wikipedia](https://en.wikipedia.org/wiki/Illusory_truth_effect) ![https://www.savagechickens.com/2021/07/the-conspiracy.html](https://1225933412-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LbgvKp60ZrcgYsadNVB%2F-MeAeGcjNeAXK7OGSA0t%2F-MeAgeRi9agv4tXBzh_Y%2Fimage.png?alt=media\&token=4bbf8190-75f8-4350-b664-c36401ff9e6f) [Impact bias - Wikipedia](https://en.wikipedia.org/wiki/Impact_bias) [In-group favoritism - Wikipedia](https://en.wikipedia.org/wiki/In-group_favoritism) [Insensitivity to sample size - Wikipedia](https://en.wikipedia.org/wiki/Insensitivity_to_sample_size) [Just-world hypothesis - Wikipedia](https://en.wikipedia.org/wiki/Just-world_hypothesis) [The Magical Number Seven, Plus or Minus Two - Wikipedia](https://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus_or_Minus_Two) [Masked-man fallacy - Wikipedia](https://en.wikipedia.org/wiki/Masked-man_fallacy) [Mental accounting - Wikipedia](https://en.wikipedia.org/wiki/Mental_accounting) [Mere-exposure effect - Wikipedia](https://en.wikipedia.org/wiki/Mere-exposure_effect) [Money illusion - Wikipedia](https://en.wikipedia.org/wiki/Money_illusion) [Mood congruence - Wikipedia](https://en.wikipedia.org/wiki/Mood_congruence) [Moral luck - Wikipedia](https://en.wikipedia.org/wiki/Moral_luck) [Murphy's law - Wikipedia](https://en.wikipedia.org/wiki/Murphy's_law) [Normalcy bias - Wikipedia](https://en.wikipedia.org/wiki/Normalcy_bias) [Naïve cynicism - Wikipedia](https://en.wikipedia.org/wiki/Na%C3%AFve_cynicism) [Naïve realism (psychology) - Wikipedia](https://en.wikipedia.org/wiki/Na%C3%AFve_realism_\(psychology\)) [Negativity bias - Wikipedia](https://en.wikipedia.org/wiki/Negativity_bias) [Neglect of probability - Wikipedia](https://en.wikipedia.org/wiki/Neglect_of_probability) [Not invented here - Wikipedia](https://en.wikipedia.org/wiki/Not_invented_here) [Observer-expectancy effect - Wikipedia](https://en.wikipedia.org/wiki/Observer-expectancy_effect) [Omission bias - Wikipedia](https://en.wikipedia.org/wiki/Omission_bias) [Ostrich effect - Wikipedia](https://en.wikipedia.org/wiki/Ostrich_effect) [Outcome bias - Wikipedia](https://en.wikipedia.org/wiki/Outcome_bias) [Out-group homogeneity - Wikipedia](https://en.wikipedia.org/wiki/Out-group_homogeneity) [Pareidolia - Wikipedia](https://en.wikipedia.org/wiki/Pareidolia) [Pessimism bias](https://en.wikipedia.org/wiki/Optimism_bias#Pessimism_bias) [Picture superiority effect - Wikipedia](https://en.wikipedia.org/wiki/Picture_superiority_effect) [Placebo - Wikipedia](https://en.wikipedia.org/wiki/Placebo) [Planning fallacy - Wikipedia](https://en.wikipedia.org/wiki/Planning_fallacy) [Positivity effect - Wikipedia](https://en.wikipedia.org/wiki/Positivity_effect) [Pro-innovation bias - Wikipedia](https://en.wikipedia.org/wiki/Pro-innovation_bias) [Projection bias](https://en.wikipedia.org/wiki/Affective_forecasting#Projection_bias) [Reactive devaluation - Wikipedia](https://en.wikipedia.org/wiki/Reactive_devaluation) [Recency illusion - Wikipedia](https://en.wikipedia.org/wiki/Recency_illusion) [Restraint bias - Wikipedia](https://en.wikipedia.org/wiki/Restraint_bias) [Rosy retrospection - Wikipedia](https://en.wikipedia.org/wiki/Rosy_retrospection) [Selective perception - Wikipedia](https://en.wikipedia.org/wiki/Selective_perception) [Self-licensing - Wikipedia](https://en.wikipedia.org/wiki/Self-licensing) [Self-reference effect - Wikipedia](https://en.wikipedia.org/wiki/Self-reference_effect) [Semmelweis reflex - Wikipedia](https://en.wikipedia.org/wiki/Semmelweis_reflex) [Spotlight effect - Wikipedia](https://en.wikipedia.org/wiki/Spotlight_effect) [Stereotype - Wikipedia](https://en.wikipedia.org/wiki/Stereotype) [Subadditivity effect - Wikipedia](https://en.wikipedia.org/wiki/Subadditivity_effect) [Subjective validation - Wikipedia](https://en.wikipedia.org/wiki/Subjective_validation) [Survivorship bias - Wikipedia](https://en.wikipedia.org/wiki/Survivorship_bias) [Telescoping effect - Wikipedia](https://en.wikipedia.org/wiki/Telescoping_effect) [Time-saving bias - Wikipedia](https://en.wikipedia.org/wiki/Time-saving_bias) [Ultimate attribution error - Wikipedia](https://en.wikipedia.org/wiki/Ultimate_attribution_error) [Von Restorff effect - Wikipedia](https://en.wikipedia.org/wiki/Von_Restorff_effect) [Weber–Fechner law - Wikipedia](https://en.wikipedia.org/wiki/Weber%E2%80%93Fechner_law) [Well travelled road effect - Wikipedia](https://en.wikipedia.org/wiki/Well_travelled_road_effect) [Zero-sum thinking - Wikipedia](https://en.wikipedia.org/wiki/Zero-sum_thinking) ![https://www.savagechickens.com/2021/05/decisions-2.html](https://1225933412-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LbgvKp60ZrcgYsadNVB%2F-Mai9xdAvnnPUYjJ7OUi%2F-MaiA88UUCT8hag3Zjw5%2Fimage.png?alt=media\&token=b5461209-ac05-4223-ab33-da0b893279c2)