Chapter 18 · 0.5 min · from Thinking, Fast and Slow

Taming Intuitive Predictions

Chapter summary from Thinking, Fast and Slow by Daniel Kahneman.

Predictions feel like insight, but they are often extrapolations from a small, vivid set of cues. Intuition overreacts to the story in front of you.

A better approach is to start from the outside: ask what typically happens in similar cases, then adjust—carefully and modestly—for the unique details.

This method fights two temptations at once: ignoring base rates and ignoring regression. It replaces “I can see it happening” with “How often does it happen?”

The slow system is required here. It must build a reference class, consult it honestly, and resist the urge to over-adjust toward a compelling narrative.

Good forecasting is rarely dramatic. It is disciplined, a little boring, and usually less confident than the prediction your intuition wanted to make.

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