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engagement

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    Platform Mechanics Entry #0289

    The reason engagement and satisfaction diverge

    Behaviour is easy to log and preference is not. A system optimised on the first will find items that produce action without producing approval.

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    The hidden part #0289

    Behaviour is logged and preference is asked. Optimisation moves toward whichever one is being measured.

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    Sound Design Entry #1016

    The reason an app plays a rising tone when you succeed

    A rising pitch mirrors the brain’s expectation of upward progress, so the tone converts a task completion into a felt reward that invites repetition.

    Adept
    The hidden part #1016

    A flat chime closes a door; a rising tone opens one — and the ear hears the difference as the gap between done and achieved.

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