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MENTAL MODEL · M4783

Majority Illusion

Majority Illusion
CollaboratemediumCommunication Studies
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Updated 2026-08-10

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INTRODUCTION

English translation pending.

CORE DEFINITION

Described by the researchers Kristina Lerman and colleagues, the majority illusion occurs when a minority opinion appears to be the majority because its adherents occupy highly connected positions in a network. Observers who sample their own neighborhood see mostly that opinion, even though it is rare in the population as a whole. The effect depends on network structure rather than on the strength of the argument. Key qualification: it is a perceptual artifact, so survey data rather than online visibility is needed to correct it.

SCAFFOLDING EFFECT

psychology

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- Count properly: compare impressions against survey data before judging what most people think. - Trace the nodes: ask whether the voices you see are numerous or merely well connected. - Separate visibility from support: treat a trending topic as evidence of amplification, not of prevalence.

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People estimate majority opinion by sampling their own connections, and those connections are not a random sample of the population. If believers in a minority view are more centrally located, they appear in far more neighborhoods than their numbers justify. Every observer then infers widespread support from a local sample that is systematically biased toward the vocal minority.

MINIMUM ACTION

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Source support: Explicit

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