Cognitive Biases

The invisible glitches in human thinking — each bias explained with an everyday example and a counter-move. Learn them to make better decisions, spot flawed arguments (including your own), and resist the people who exploit these glitches for a living.

A **cognitive bias** is a systematic error in thinking — a mental shortcut that usually helps but predictably misfires. They're not stupidity; they're features of every human brain, including yours and mine. Because they're systematic, they're *predictable* — which is exactly why marketers,…

Sub-topics

Authority bias
Fundamental attribution error
Decoy effect
The endowment effect
Status quo bias
The bystander effect
Self-serving bias
The peak-end rule
The mere exposure effect
The paradox of choice
The illusion of control
The just-world hypothesis
The false consensus effect
Negativity bias
In-group bias
The spotlight effect
Recency bias
Optimism bias (planning fallacy)
The Barnum effect
Reactance
The curse of knowledge
Gambler's fallacy
Confirmation bias
The anchoring effect
Availability heuristic
Sunk cost fallacy
The Dunning–Kruger effect
Loss aversion
The framing effect
Survivorship bias
The bandwagon effect
Hindsight bias
The halo effect
The IKEA effect