Cognitive Scaffold

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MENTAL MODEL · M0929

Illusory Superiority

Illusory Superiority
BehaviorHigh supportSocial Psychology
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A cognitive bias in which people overestimate their qualities and abilities, believing they are better than average. For example, 90% of drivers believe their driving skills are above average (which is mathematically impossible).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Maintain humility. When you feel everyone around you is a fool, the most likely possibility is that you have fallen into the illusion of superiority. Always assuming that you might be the one 'below average' can help you assess risks more objectively.

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Anchor fast decisions

Self-serving bias + availability heuristic: People more easily recall their own strengths and others' mistakes, so they systematically overestimate themselves as above average; on most dimensions, being 'above average' is mathematically impossible (Lake Wobegon effect).

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Illusory_superiorityZH · Explicit
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