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Novice

Clearance level 1.

  • 12 / 12
  • No visual on file
    Naming & Sound Entry #0557

    Why acronyms lose meaning and gain durability

    Nobody can expand the three letters, and several of the words they once stood for name a business the firm no longer conducts.

    Novice
    The hidden part #0557

    An opaque name cannot go out of date, because it never said anything a business could outgrow.

    Open file
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    Statistical Illusions Entry #0436

    Why a p-value is not a probability that you are right

    The p-value measures how surprising the data would be if the null hypothesis were true. It says nothing about the probability that the hypothesis itself is true.

    Novice
    The hidden part #0436

    A p-value tells you how surprising the data is. It does not tell you how true the hypothesis is.

    Open file
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    Framing Effects Entry #0507

    Why per day pricing beats per month

    The same annual sum, printed in a finer unit, becomes a smaller number with nothing to compare it against. Rivals are all quoted per month.

    Novice
    The hidden part #0507

    Granularity is a lever. A price stated in a finer unit is not only a smaller number, it is a number nobody holds a benchmark for.

    Open file
  • Why the second-cheapest wine always wins
    Hidden Logic Entry #0012

    Why the second-cheapest wine always wins

    Restaurants do not expect you to buy the cheapest bottle. They expect you to refuse it — and they price the list so that refusal lands exactly where the margin is fattest.

    Novice
    The hidden part #0012

    The cheapest bottle is not for sale. It is a decoy that makes the next one up feel like restraint.

    Open file
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    Scarcity & Queues Entry #0461

    Why a paywall creates a different reader

    The paywall does not merely filter who reads. It changes how the remaining readers read, because the cost they paid becomes part of the experience.

    Novice
    The hidden part #0461

    The paywall does not select better readers. It makes the same readers better at reading.

    Open file
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    Scarcity & Queues Entry #0457

    Why a members-only door raises the perceived quality inside

    A restriction implies that something is being protected. The inference is made before anything inside has been seen, and it survives finding nothing there.

    Novice
    The hidden part #0457

    Restriction and value are separable. The door can be installed first, and the perceived quality assembles itself behind it.

    Open file
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    Statistical Illusions Entry #0432

    Why a correlation of one variable with time explains nothing

    Two quantities that both rise over the years will correlate strongly with each other. The shared trend does the work and neither variable has touched the other.

    Novice
    The hidden part #0432

    Two trends will always agree. The coefficient reports the shared direction of time, not a relationship between the variables.

    Open file
  • Why elevator close buttons do nothing
    Hidden Mechanics Entry #0009

    Why elevator close buttons do nothing

    In most lifts installed since the early nineties, the door-close button is disconnected for everyone except firefighters. It still lights up. That is the point.

    Novice
    The hidden part #0009

    The button is not wired to the door. It is wired to your patience.

    Open file
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    Scarcity & Queues Entry #0451

    Why a limited edition raises value without raising quality

    The product is identical. The only thing that changed is the number that will be made, and that number changed the price people are willing to pay.

    Novice
    The hidden part #0451

    Supply constraint is a design decision. The limited edition does not discover rarity; it manufactures it and lets the market treat the result as worth.

    Open file
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    Rhetoric & Omission Entry #0586

    Why an appeal to consequence is not an argument

    That a conclusion would be frightening does not make it false. The fear is real and the logic is missing, and the two are easily confused.

    Novice
    The hidden part #0586

    An unpleasant conclusion is not a refuted one. The fear is real and the refutation is absent, and the audience confuses the two because both feel like reasons.

    Open file
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    Statistical Illusions Entry #0426

    Why an average can describe nobody in the room

    The average income in a room of ten people can be a number that none of them earn, and yet it is reported as if it describes them all.

    Novice
    The hidden part #0426

    Central tendency erases the spread. The average describes the arithmetic, not the room.

    Open file