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The bandwagon effect is the tendency to adopt beliefs, behaviors, or preferences because others are doing so — independent of any rational evaluation of their merits.

Why It Happens

  • Social proof: Popularity signals correctness — "If everyone is doing it, there must be a reason"
  • Fear of exclusion: Being outside the consensus is socially costly
  • Cognitive shortcut: Deferring to the crowd saves mental effort

Where It Causes Harm

  • Financial bubbles: Asset prices inflate as investors pile in because others are
  • Voting: People back frontrunners simply because they appear to be winning
  • Workplace: Group consensus suppresses dissent even when the consensus is wrong
  • Diet trends: Mass adoption of fad diets with little scientific backing

Antidote

Ask independently: Does this make sense on its own merits? Popularity is not evidence of truth or quality.


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Reference:

Wikipedia: Bandwagon Effect

image for linkhttps://en.wikipedia.org/wiki/Bandwagon_effect

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