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MENTAL MODEL · M1845

Bandwagon Effect

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

CORE DEFINITION

People tend to follow the actions and judgments of the majority to avoid being left out; "if everyone is jumping on the bandwagon, I will too," leading to self-reinforcing trends.

SCAFFOLDING EFFECT

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The bandwagon effect is a psychological phenomenon where people adopt certain behaviors, styles, or attitudes simply because others are doing so. More specifically, it is a cognitive bias by which public opinion or behaviours can alter due to particular actions and beliefs rallying amongst the publi…

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Conformity psychology: individuals in uncertain situations tend to follow the majority's choice, believing that "the majority is correct," or conform to avoid isolation. The mechanism is "social proof" and "information cascade"—others' behavior is treated as an information signal, triggering a chain of followership, which self-reinforces false consensus.

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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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