Learn about cognitive biases
Explore the ideas behind better decisions through guides, experiments, and a map of connected biases.
Cognitive Bias Library
Look up a bias for a clear explanation, everyday examples, and practical ways to respond.
Study Simulations
Try a classic psychology experiment, then discover the thinking trap behind your choices.
Bias Network
Explore a visual map of biases and their relationships. Select a bias to follow its connections.
Interactive graph available on desktop
Explore by category
Find biases by the part of thinking they affect.
Memory Biases
6 biasesHow we remember, forget, and reconstruct the past.
Decision-Making Biases
6 biasesThe mental shortcuts that shape our choices and judgments.
Social Biases
6 biasesHow other people and groups influence what we believe.
Perceptual Biases
6 biasesWhy our senses and attention can give us a distorted picture.
Reasoning Biases
6 biasesThe cognitive traps that get in the way of sound reasoning.
Biases to explore
Start with a familiar pattern.
- Survivorship Bias
- Confirmation Bias
- Availability Heuristic
- Sunk Cost Fallacy
- Self-Serving Bias
- In-Group Bias
- False Consensus Effect
- Halo Effect
- Fundamental Attribution Error
- Recency Effect
Put these ideas into practice.
Explore practice tools