Cognitive Scaffold

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MENTAL MODEL · M11330

Social Proof

Social Proof
CultureHigh supportSociology
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Using others' behavior to guide one's own, especially in uncertainty.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Social proof (or informational social influence) is a psychological and social phenomenon wherein people copy the actions of others in choosing how to behave in a given situation. The term was coined by Robert Cialdini in his 1984 book Influence: Science and Practice. Social proof is used in ambiguous situations...

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Anchor fast decisions

When the situation is uncertain and information is ambiguous, individuals use the majority's behavior as a quick cue for correctness, because 'everyone does it' is often low-cost and effective. The larger the group and the more similar to oneself, the stronger the tendency to imitate. This is a heuristic that saves cognitive resources, but under a false consensus it can amplify collective bias.

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Source support: Explicit

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