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Adept

Clearance level 2.

  • 12 / 12
  • No visual on file
    Choice Design Entry #0237

    The reason a progress bar increases completion

    A bar at forty per cent implies a distance already covered that would be wasted by stopping. The bar reframes quitting as a loss.

    Adept
    The hidden part #0237

    A progress bar is not a measurement. It is a frame that makes stopping look like a loss and continuing look like proximity.

    Open file
  • No visual on file
    Choice Design Entry #0234

    Why the recommended option is rarely the cheapest

    A label that says recommended is a decision made on your behalf. The criteria it used are not printed beside it.

    Adept
    The hidden part #0234

    A recommendation is a default wearing a badge. The criteria behind it are the seller’s, and they are not printed.

    Open file
  • No visual on file
    Choice Design Entry #0229

    The reason a form field order changes what you disclose

    Ask the sensitive question first and many people stop. Ask it last and most people answer, because the earlier fields have already established a pattern.

    Adept
    The hidden part #0229

    Order is an instrument. Early low-cost answers create an investment the respondent then protects by answering the expensive one.

    Open file
  • No visual on file
    Brand Language Entry #0487

    The reason a warranty is described as a promise

    The word promise activates personal obligation. The word warranty activates contractual enforcement. The coverage is the same, but the expectation of goodwill is not.

    Adept
    The hidden part #0487

    A promise is a warranty registered as goodwill. The terms are the same; the expected flexibility is not.

    Open file
  • No visual on file
    Brand Language Entry #0484

    Why heritage is claimed by new companies

    A firm founded last year borrows the vocabulary of a firm founded last century. The words are the same and the warranty behind them is different.

    Adept
    The hidden part #0484

    Heritage language is a claim about duration that is verified by vocabulary rather than by records. The signal is available before the history is.

    Open file
  • No visual on file
    Cognitive Bias Entry #0114

    The reason your past self always looks more foolish

    You know how the decision turned out, and the knowledge cannot be set aside. Your earlier uncertainty is rewritten as naïveté.

    Adept
    The hidden part #0114

    You are not smarter than your past self. You have information your past self lacked, and you cannot put it down.

    Open file
  • No visual on file
    Attention & Memory Entry #0196

    Why testing yourself beats rereading

    Rereading feels like learning and mostly is not. The method that feels least productive is the one that leaves the most behind.

    Adept
    The hidden part #0196

    Fluency is a sensation, not a measurement. The method that feels like it is failing is frequently the one doing the work.

    Open file
  • No visual on file
    Paradox & Proof Entry #0154

    The reason a fair coin produces unfair-looking runs

    In two hundred fair tosses a run of seven identical results is likely. People asked to fake the sequence almost never allow one, which is how fakes are detected.

    Adept
    The hidden part #0154

    Randomness clusters. The expected longest run in a fair sequence is far longer than intuition permits, so real data looks rigged.

    Open file
  • No visual on file
    Cognitive Bias Entry #0112

    The reason you underestimate how long everything takes

    Every project plan starts from the version where nothing goes wrong. The estimate is the best case labelled as the expected case.

    Adept
    The hidden part #0112

    The plan is the best case given a name. Every project is estimated from its interior, where nothing has gone wrong yet.

    Open file
  • No visual on file
    Cognitive Bias Entry #0109

    Why bad weather darkens a market forecast

    Sunshine and overcast skies have no informational content about equities, and yet market returns correlate weakly with local weather.

    Adept
    The hidden part #0109

    Mood enters the forecast as though it were data. The sky has no opinion about equities, but the forecaster does not separate the two.

    Open file
  • No visual on file
    Attention & Memory Entry #0184

    Why background music helps one task and ruins another

    Music with lyrics impairs reading and leaves arithmetic untouched. The damage is channel-specific, not a general drain on attention.

    Adept
    The hidden part #0184

    Music competes only with tasks that use the same channel. Lyrics fight language; a beat does not.

    Open file
  • No visual on file
    Cognitive Bias Entry #0104

    The opinion you defend hardest is the one you understood least

    The loudest defence usually protects the thinnest reasoning. Volume compensates for a foundation the speaker has never actually inspected.

    Adept
    The hidden part #0104

    Confidence is not compressed knowledge. A thin model has fewer visible gaps than a detailed one, so it is easier to defend loudly.

    Open file