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MENTAL MODEL · M4717

Bandwagon Effect

Bandwagon Effect
BehaviorHigh supportSocial Psychology
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

People tend to adopt or believe in what others are doing, even if it contradicts their own private information or beliefs, simply because "everyone else is doing it."

SCAFFOLDING EFFECT

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Understanding the mechanisms of social influence. The bandwagon effect explains why fashions, trends, and bubbles form, why social proof is so effective in marketing, and how to understand and predict collective behavior.

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People infer that "the majority's behavior contains correct information," so they follow, creating a positive feedback loop; the more people follow, the more correct it seems, leading to self-reinforcing fads, bubbles, and herd behavior.

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Source support: Explicit

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