Horn Effect
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
The opposite of the halo effect. If a person leaves a negative impression in one aspect (e.g., ugly appearance, unpleasant accent), you tend to think they are also bad in other aspects (e.g., ability, morality).
SCAFFOLDING EFFECT
Reduce cognitive load
The destructive power of first impressions. In an interview or a blind date, a small negative detail (e.g., being late, a stain) can contaminate your overall evaluation of the person. As an evaluator, be wary of this "overgeneralization" negativity; as the evaluated, details determine success or failure.
Anchor fast decisions
The Horn Effect is the negative halo effect: a single negative trait of a person (e.g., appearance, accent, a single mistake) is generalized to an overall evaluation, leading to systematic underestimation. It is the opposite direction of the "halo effect."
MINIMUM ACTION
In progress 0/4Practice this model in one real situation:
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Source support: Explicit
- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%B0%96%E8%A7%92%E6%95%88%E5%BA%94verified
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