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Mind & biases2 MINBrief fileEstablished evidence

False Consensus Effect

Your choice feels reasonable. How many other people do you imagine choosing exactly the same?

01 / SUMMARY

In short

People tend to overestimate how widely others share their choices, preferences, or beliefs. Exposure to similar circles and the ease of justifying one's own position can feed that estimate.

03 / SCENE

In the wild

Someone who always works remotely may assume almost the entire office prefers it because their closest colleagues do too.

04 / LIMIT

The limit

It does not make every perceived majority imaginary; sometimes we do have representative information about a group.

FINAL NOTE

What remains

Replace “everyone thinks” with a clear survey or, at minimum, seek answers beyond your usual circle.

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Editorial review: 2026-08-06

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