False consensus effect
A student who supports a campus policy estimates that 80% of classmates agree with her, but a survey shows only 40% do. This illustrates:
Answer A: explanation for every choice
A
Correct. People overestimate how many others share their opinions and behaviors.
B
Self-serving bias concerns explaining your own successes and failures.
C
Actor–observer bias concerns explaining your own behavior versus others'.
D
Social desirability bias is answering in ways that look good to others.
TakeawayFalse consensus: assuming others think as you do.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID ps127.