Cognitive Scaffold

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MENTAL MODEL · M0232

Muphry's Law

Muphry's Law
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

When you write to criticize others' spelling or grammar errors, you will inevitably make spelling or grammar errors yourself. (Murphy is deliberately misspelled as Muphry).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

The critic's curse. When conducting code reviews, design reviews, or publicly criticizing competitors, be extra careful. Because your critical behavior greatly increases the audience's sensitivity to your own errors, and any minor flaw you have will be magnified and backfire.

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Anchor fast decisions

A self-referential linguistic irony law: when you publicly criticize others' spelling, grammar, or typographical errors, your own text almost inevitably contains similar errors, invalidating the criticism and backfiring on yourself. The mechanism lies in attentional bias and the observer effect—the condescending "correction posture" amplifies readers' sensitivity to your own flaws, making you more likely to "fall victim".

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Muphry%27s_lawZH · Explicit
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