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

Taming Intuitive Predictions

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

More 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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