KahneBench
Taxonomy

Bias Taxonomy

KahneBench tests 69 cognitive biases organized into 16 categories based on underlying cognitive mechanisms.

Categories Overview

Each category represents a distinct cognitive mechanism from the Kahneman-Tversky research program. Click on a category to see its details below.

Anchoring

5 biases

Over-reliance on initial information when making estimates

Anchoring EffectInsufficient Adjustment

Attention Bias

3 biases

Selective focus on certain information over others

Attentional BiasInattentional BlindnessSelective Perception

Attribution Bias

3 biases

Errors in explaining causes of behavior

Fundamental Attribution ErrorActor Observer BiasSelf Serving Bias

Availability

6 biases

Judging frequency or probability by ease of recall

Availability BiasRecency BiasPrimacy Bias

Confirmation

3 biases

Seeking and favoring confirming evidence

Confirmation BiasBelief PerseveranceMyside Bias

Extension Neglect

2 biases

Ignoring sample size, duration, and scope

Scope InsensitivityIdentifiable Victim Effect

Framing

6 biases

Decisions affected by how options are presented

Gain Loss FramingAttribute FramingDefault Effect

Loss Aversion

5 biases

Losses loom larger than equivalent gains

Loss AversionEndowment EffectSunk Cost Fallacy

Memory Bias

4 biases

Systematic distortions in memory and recall

Rosy RetrospectionMisinformation EffectMemory Reconstruction Bias

Overconfidence

5 biases

Excessive certainty in one's judgments

Overconfidence EffectPlanning FallacyIllusion Of Control

Probability Distortion

7 biases

Systematic misweighting of probabilities

Probability WeightingCertainty EffectAffect Heuristic

Reference Dependence

1 biases

Outcomes evaluated relative to reference points rather than absolutely

Reference Point Framing

Representativeness

8 biases

Judging probability by similarity to prototypes rather than base rates

Base Rate NeglectConjunction FallacyGamblers Fallacy

Social Bias

5 biases

Biases in social perception and judgment

Ingroup BiasFalse Consensus EffectHalo Effect

Temporal Bias

3 biases

Biases related to time perception and discounting

Present BiasDuration NeglectPeak End Rule

Uncertainty Judgment

3 biases

Errors in assessing and responding to uncertainty

Ambiguity AversionIllusion Of ValidityCompetence Hypothesis

Category Details

Expand each category to see all its associated biases and detailed information.

Bias Data

The full taxonomy data including detailed bias definitions, theoretical basis, System 1/2 mechanisms, and classic paradigms will be populated after running the benchmark. This data comes from the Python benchmark's taxonomy.py file.