Persuasion

Influence: 6 key ideas

The core ideas of Influence, 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

    Reciprocity

    People feel obliged to return favours.

    Give something first, with no strings attached.

  2. IDEA 2 OF 6

    Commitment and consistency

    Once people commit publicly, they want to act consistently.

    Small commitments lead to bigger ones.

  3. IDEA 3 OF 6

    Social proof

    When uncertain, people look to others like them.

    Show how many similar people chose this.

  4. IDEA 4 OF 6

    Liking

    We say yes to people we like: those who are similar, compliment us and cooperate with us.

  5. IDEA 5 OF 6

    Authority

    People defer to credible experts.

    Make your expertise visible before you make your case.

  6. IDEA 6 OF 6

    Scarcity

    Things seem more valuable when they're rare or about to disappear.

    Highlight what's unique.

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