Psychology

Thinking, Fast and Slow

Daniel Kahneman

Cover of Thinking, Fast and Slow
Thinking, Fast and Slow
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Thinking, Fast and Slow

Portrait of Daniel Kahneman
Written byDaniel Kahneman

Nobel Prize–winning psychologist Daniel Kahneman explains the two ways our minds think, and the mistakes we make when we trust quick judgments too much.

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  • Published2011
  • GenrePsychology
  • Key ideas6
  • Summary1 min read

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  1. 01Two systems

    System 1 is fast and automatic; System 2 is slow and effortful.

  2. 02We rely on shortcuts

    Quick mental shortcuts help us, but they also lead to predictable errors.

  3. 03Anchoring

    The first number we see can sway our judgments, even when it's irrelevant.

  4. 04Losses hurt more

    Losing something feels worse than gaining the same thing feels good.

  5. 05Overconfidence

    We often feel more certain than the evidence justifies.

  6. 06Slow down for big choices

    Important decisions deserve careful, deliberate thinking.

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Two systems

System 1 is fast and automatic; System 2 is slow and effortful. Pick one small way to put this into practice before tonight.

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“You should inform your gut and then trust it.”

— Daniel Kahneman

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Photos via Wikimedia Commons — Daniel Kahneman: nrkbeta · CC BY-SA 2.0 · Wikimedia Commons