Psychology

The Upside of Irrationality: 6 key ideas

The core ideas of The Upside of Irrationality, each in under a minute, written in our own words. Want the full depth? Get the book.

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  1. IDEA 1 OF 6

    Big bonuses can hurt

    Very high rewards can increase pressure and reduce performance on complex tasks.

  2. IDEA 2 OF 6

    Meaning motivates

    People work harder when their effort is acknowledged, even if pay stays the same.

  3. IDEA 3 OF 6

    The IKEA effect

    We overvalue things we helped build.

  4. IDEA 4 OF 6

    Not invented here

    People overvalue their own ideas and undervalue others'.

  5. IDEA 5 OF 6

    Adaptation

    We adapt to pleasure and pain.

    Interrupting pleasures can make them last longer.

  6. IDEA 6 OF 6

    Revenge and trust

    People will pay to punish betrayal, which is why trust is valuable.

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