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Motif
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Track 9

Psychology & conversion

Cognitive fluency, attention, and persuasion you can use without dark patterns.

  1. Lesson 1:
    Beginner13 min

    Hick's Law

    Hick's Law: the time to decide grows with the log of the number of choices. Fewer, well-grouped options mean faster decisions — but the cost is logarithmic.

  2. Lesson 2:
    Beginner14 min

    Fitts's Law

    Fitts's Law: time to hit a target grows with distance and shrinks with size. Big, close targets are faster — and screen edges are effectively infinite.

  3. Lesson 3:
    Beginner12 min

    The Von Restorff effect

    The Von Restorff (isolation) effect: the item that differs from its neighbors is the one people notice and remember. Isolate one thing — and only one.