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Cognitive Bias Codex
"name": "biases",
"children": [
"name": "1. Too Much Information",
"children": [
"name": "We notice things already primed in memory or repeated often.",
"children": [
{"name": "Availability heuristic"},
{"name": "Attentional bias"},
{"name": "Illusory truth effect"},
{"name": "Mere exposure effect"},
{"name": "Context effect"},
{"name": "Cue-dependent forgetting"},
{"name": "Mood-congruent memory bias"},
{"name": "Frequency illusion"},
{"name": "Baader-Meinhof Phenomenon"},
{"name": "Empathy gap"},
{"name": "Omission bias"},
{"name": "Base rate fallacy"}
"name": "Bizarre/funny/visually-striking/anthropomorphic things stick out more than non-bizarre/unfunny things.",
"children": [
{"name": "Bizarreness effect"},
{"name": "Humor effect"},
{"name": "Von Restorff effect"},
{"name": "Picture superiority effect"},
{"name": "Self-relevance effect"},
{"name": "Negativity bias"}
"name": "We notice when something has changed.",
"children": [
{"name": "Anchoring"},
{"name": "Conservatism"},
{"name": "Contrast effect"},
{"name": "Distinction bias"},
{"name": "Focusing effect"},
{"name": "Framing effect"},
{"name": "Money illusion"},
{"name": "Weber–Fechner law"}
"name": "We are drawn to details that confirm our own existing beliefs",
"children": [
{"name": "Confirmation bias"},
{"name": "Congruence bias"},
{"name": "Post-purchase rationalization"},
{"name": "Choice-supportive bias"},
{"name": "Selective perception"},
{"name": "Observer-expectancy effect"},
{"name": "Experimenter's bias"},
{"name": "Observer effect"},
{"name": "Expectation bias"},
{"name": "Ostrich effect"},
{"name": "Subjective validation"},
{"name": "Continued influence effect"},
{"name": "Semmelweis reflex"}
"name": "We notice flaws in others more easily than flaws in ourselves.",
"children": [
{"name": "Bias blind spot"},
{"name": "Naïve cynicism"},
{"name": "Naïve realism"}
"name": "2. Not Enough Meaning",
"children": [
"name": "We find stories and patterns even in sparse data",
"children": [
{"name": "Confabulation"},
{"name": "Clustering illusion"},
{"name": "Insensitivity to sample size"},
{"name": "Neglect of probability"},
{"name": "Anecdotal fallacy"},
{"name": "Illusion of validity"},
{"name": "Masked man fallacy"},
{"name": "Recency illusion"},
{"name": "Gambler's fallacy"},
{"name": "Hot-hand fallacy"},
{"name": "Illusory correlation"},
{"name": "Pareidolia"},
{"name": "Anthropomorphism"}
"name": "We fill in characteristics from stereotypes, generalities, and prior histories",
"children": [
{"name": "Group attribution error"},
{"name": "Ultimate attribution error"},
{"name": "Stereotyping"},
{"name": "Essentialism"},
{"name": "Functional fixedness"},
{"name": "Moral credential effect"},
{"name": "Just-world hypothesis"},
{"name": "Argument from fallacy"},
{"name": "Authority bias"},
{"name": "Automation bias"},
{"name": "Bandwagon effect"},
{"name": "Placebo effect"}
"name": "We imagine things and people we're familiar with or fond of as better",
"children": [
{"name": "Out-group homogeneity bias"},
{"name": "Cross-race effect"},
{"name": "In-group bias"},
{"name": "Halo effect"},
{"name": "Cheerleader effect"},
{"name": "Positivity effect"},
{"name": "Not invented here"},
{"name": "Reactive devaluation"},
{"name": "Well-traveled road effect"}
"name": "We simplify probabilities and numbers to make them easier to think about",
"children": [
{"name": "Mental accounting"},
{"name": "Appeal to probability fallacy"},
{"name": "Normalcy bias"},
{"name": "Murphy's Law"},
{"name": "Zero sum bias"},
{"name": "Survivorship bias"},
{"name": "Subadditivity effect"},
{"name": "Denomination effect"},
{"name": "Magic number 7+-2"}
"name":"We think we know what other people are thinking",
"children": [
{"name": "Illusion of transparency"},
{"name": "Curse of knowledge"},
{"name": "Spotlight effect"},
{"name": "Extrinsic incentive error"},
{"name": "Illusion of external agency"},
{"name": "Illusion of asymmetric insight"}
"name": "We project our current mindset and assumptions onto the past and future",
"children": [
{"name": "Telescoping effect"},
{"name": "Rosy retrospection"},
{"name": "Hindsight bias"},
{"name": "Outcome bias"},
{"name": "Moral luck"},
{"name": "Declinism"},
{"name": "Impact bias"},
{"name": "Pessimism bias"},
{"name": "Planning fallacy"},
{"name": "Time-saving bias"},
{"name": "Pro-innovation bias"},
{"name": "Projection bias"},
{"name": "Restraint bias"},
{"name": "Self-consistency bias"}
"name": "3. Need To Act Fast",
"children": [
"name": "To act, we must be confident we can make an impact and feel what we do is important",
"children": [
{"name": "Overconfidence effect"},
{"name": "Social desirability bias"},
{"name": "Third-person effect"},
{"name": "False consensus effect"},
{"name": "Hard-easy effect"},
{"name": "Lake Wobegone effect"},
{"name": "Dunning-Kruger effect"},
{"name": "Egocentric bias"},
{"name": "Optimism bias"},
{"name": "Forer effect"},
{"name": "Barnum effect"},
{"name": "Self-serving bias"},
{"name": "Actor-observer bias"},
{"name": "Illusion of control"},
{"name": "Illusory superiority"},
{"name": "Fundamental attribution error"},
{"name": "Defensive attribution hypothesis"},
{"name": "Trait ascription bias"},
{"name": "Effort justification"},
{"name": "Risk compensation"},
{"name": "Peltzman effect"}
"name": "To stay focused, we favor the immediate, relatable thing in front of us",
"children": [
{"name": "Hyperbolic discounting"},
{"name": "Appeal to novelty"},
{"name": "Identifiable victim effect"}
"name": "To get anything done, we tend to complete things we've invested time & energy in.",
"children": [
{"name": "Sunk cost fallacy"},
{"name": "Irrational escalation"},
{"name": "Escalation of commitment"},
{"name": "Generation effect"},
{"name": "Loss aversion"},
{"name": "IKEA effect"},
{"name": "Unit bias"},
{"name": "Zero-risk bias"},
{"name": "Disposition effect"},
{"name": "Pseudocertainty effect"},
{"name": "Processing difficulty effect"},
{"name": "Endowment effect"},
{"name": "Backfire effect"}
"name": "To avoid mistakes, we tend to preserve our autonomy and group status, and avoid irreversible decisions.",
"children": [
{"name": "System justification"},
{"name": "Reverse psychology"},
{"name": "Reactance"},
{"name": "Decoy effect"},
{"name": "Social comparison bias"},
{"name": "Status quo bias"}
"name": "We favor options that appear simple or have more complete information over more complex, ambiguous options.",
"children": [
{"name": "Ambiguity bias"},
{"name": "Information bias"},
{"name": "Belief bias"},
{"name": "Rhyme as reason effect"},
{"name": "Bike-shedding effect"},
{"name": "Law of Triviality"},
{"name": "Delmore effect"},
{"name": "Conjunction fallacy"},
{"name": "Occam's razor"},
{"name": "Less-is-better effect"}
"name": "4. What Should We Remember?",
"children": [
"name": "We edit and reinforce some memories after the fact",
"children": [
{"name": "Misattribution of memory"},
{"name": "Source confusion"},
{"name": "Cryptomnesia"},
{"name": "False memory"},
{"name": "Suggestibility"},
{"name": "Spacing effect"}
"name": "We discard specifics to form generalities",
"children": [
{"name": "Implicit associations"},
{"name": "Implicit stereotypes"},
{"name": "Stereotypical bias"},
{"name": "Prejudice"},
{"name": "Negativity bias"},
{"name": "Fading affect bias"}
"name": "We reduce events and lists to their key elements",
"children": [
{"name": "Peak–end rule"},
{"name": "Leveling and sharpening"},
{"name": "Misinformation effect"},
{"name": "Serial recall effect"},
{"name": "List-length effect"},
{"name": "Duration neglect"},
{"name": "Modality effect"},
{"name": "Memory inhibition"},
{"name": "Primacy effect"},
{"name": "Recency effect"},
{"name": "Part-list cueing effect"},
{"name": "Serial position effect"},
{"name": "Suffix effect"}
"name": "We store memories differently based on how they were experienced",
"children": [
{"name": "Levels of processing effect"},
{"name": "Absent-mindedness"},
{"name": "Testing effect"},
{"name": "Next-in-line effect"},
{"name": "Google effect"},
{"name": "Tip of the tongue phenomenon"}
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="./styles.css" />
<h1>Cognitive Bias Codex</h1>
<h2>180+ cognitive biases, codified and categorized.</h2>
<h3>inspired by Buster Benson's
<a href="">Cognitive bias cheat sheet</a> post.
<div class="main">
<div id="radial">
<img src="render.png" />
</div >
a <a href="">@jm3</a> hack
h1, h2, h3, h4 {
text-align: center;
color: #333;
* {
font-family: sans-serif;
.note {
text-align: center;
.main {
width: 100%;
#radial {
padding-left: 10%;
h4 {
margin-bottom: 1.0em;
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