Concept · Unit 1 of 5 · 7 min
Shortcuts, not defects
A bias is not a flaw in a broken mind. It is a shortcut in a working one. Your brain processes an impossible amount of information with limited attention and limited time, and shortcuts are how it copes. Most of the time they serve you well. The trouble is that they misfire in predictable directions, and they misfire hardest on exactly the questions that matter most.
The uncomfortable part
Knowing about a bias does not switch it off. Everyone who has studied confirmation bias still has it. What knowledge buys you is the ability to build habits that catch it — the way knowing about optical illusions lets you measure the line instead of trusting your eye.
Six that shape public life
- Confirmation bias — you notice, remember and believe evidence that fits what you already think.
- Motivated reasoning — you scrutinise unwelcome conclusions hard and welcome ones barely at all.
- In-group favouritism — the same act looks principled from your side and cynical from theirs.
- Availability — what comes to mind easily feels more common than it is, so vivid rare events feel frequent.
- Fundamental attribution error — their bad behaviour is character, yours is circumstance.
- Naive realism — the sense that you see the world as it is, so anyone who disagrees is uninformed, stupid or dishonest.
That last one deserves attention. Naive realism is the engine underneath most political contempt. It converts a difference in perspective into a defect in the other person, and it does so invisibly.
“The first principle is that you must not fool yourself — and you are the easiest person to fool.”