Cognitive Biases
Cognitive biases are predictable errors in how people judge and decide. This list explains 45 common biases and logical fallacies: what each one is, the trap it sets, and how to correct for it.
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All 45 biases
- Planning FallacyThe tendency to underestimate how long tasks will take, even when you have past evidence.
- Hindsight BiasAfter an outcome occurs, you overestimate how predictable it was beforehand.
- Bandwagon EffectThe tendency to adopt beliefs, behaviors, or trends because many others are doing so.
- Mere Exposure EffectThe tendency to develop a preference for things simply because you are familiar with them.
- Endowment EffectPeople value things more highly simply because they own them.
- Zero-Risk BiasPreferring to eliminate a small risk entirely rather than achieving a greater overall risk reduction.
- Restraint BiasOverestimating your ability to control impulsive behavior.
What's your IQ?
Bias is about how you use your reasoning. The IQ test measures the reasoning itself: 25 visual puzzles.
Take the IQ test
25 questions · about 12 minutes