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False consensus effect

🧠 Psychology By CampusDown Wiki Editorial Team Last updated
The false consensus effect is overestimating how common one’s own opinions, choices and behaviours are among others.
Contents
  1. 1. Overview
  2. 2. Frequently asked questions
  3. 3. References

Overview

In Ross, Greene and House (1977), students asked to wear an “Eat at Joe’s” sandwich board predicted that most peers would make the same choice they did, whichever it was. Causes include selective exposure, motivation and treating one’s construal as obvious. The opposite for abilities is the false uniqueness effect. See spotlight effect.

Frequently asked questions

How to reduce it?
Check representative data and diverse views.

References

  1. Ross, L., Greene, D., & House, P. (1977). The “false consensus effect”: An egocentric bias in social perception and attribution processes. Journal of Experimental Social Psychology, 13(3), 279–301.
  2. Mullen, B., et al. (1985). The false consensus effect: A meta-analysis of 115 hypothesis tests. Journal of Experimental Social Psychology, 21(3), 262–283.

Reports and materials that use this theory (Korean)

There are no materials dedicated to this theory yet, but you can search related reports in the CampusDown library (Korean).

Find more reports · Search '허위합의 효과' on CampusDown →
Spotlight effectThe spotlight effect is the tendency to overestimate how much others notice and remember our appearance, actions and mistakes.🧠 PsychologyMisinformation and Confirmation BiasWhy false information spreads and why people accept it. Covers mis-, dis- and mal-information, confirmation bias from Wason's task onward, filter bubbles and echo chambers, the continued influence effect, and remedies such as fact-checking and prebunking.🎨 Media, Arts & CultureFundamental attribution errorWhat is the fundamental attribution error? Lee Ross’s 1977 term, Jones and Harris’s 1967 Castro essay experiment, the related correspondence bias, everyday examples, the actor–observer bias, cultural differences, explanations from Gilbert and Malone, and ways to reduce it.🧠 PsychologyMaslow's Hierarchy of NeedsMaslow's hierarchy of needs explained: definition, the five levels, deficiency vs. growth needs, the pyramid myth, empirical criticisms and limitations, report examples for social work, nursing and business, and references.🧠 Psychology

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This article was last updated on October 24, 2026. It is based on widely recognized original works and textbooks; when citing it in a paper, please check the original sources listed in the references.