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MENTAL MODEL · M4343

The Hard-Easy Effect

The Hard-Easy Effect
Learn & MetacognitionHigh supportCognitive Psychology
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

The hard-easy effect is a cognitive bias in which people overestimate their chances of success when undertaking tasks that are actually relatively difficult, while underestimating their chances of success when undertaking tasks that are actually relatively easy. For example, a person who has never wallpapered a room may think it is easy, while a person who frequently eats fast food may view cooking a simple home-cooked meal as an almost insurmountable task.

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The hard-easy effect is a cognitive bias in which people overestimate their chances of success when undertaking tasks that are actually relatively difficult, while underestimating their chances of success when undertaking tasks that are actually relatively easy. For example, a person who has never wallpapered a room may think it is easy, while a person who frequently eats fast food may view cooking a simple home-cooked meal as an almost insurmountable task.

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People are overconfident on difficult tasks (overestimating the probability of being correct) and underconfident on easy tasks (underestimating), i.e., a systematic calibration bias: difficult → overestimation, easy → underestimation.

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%9A%BE%E6%98%93%E6%95%88%E5%BA%94ZH · Explicit
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