horn effect

Flaw taints everything

The horn effect is a cognitive bias where one negative trait influences overall perception of a person or thing.

If someone seems dishonest, you might also assume they're lazy or incompetent—the single flaw casts a shadow over unrelated qualities.

The opposite of the halo effect, where one positive trait elevates everything else: The horn effect meant his single mistake colored how the committee viewed his entire career.

Related

first glance · gut feeling · prejudice · stereotype · cognitive · ugliness · attractiveness · ugly duckling · interview · hiring · job candidate · unfair · assumption · devil · appearance · bad apple · evaluation · rating

Opposites
cognitive bias direction

horn effecthalo effect

Single trait skews perception

Family

horn, horns, horned, hornless, horny, effect, effects, effective, effectively

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Used worldwide · Timeless · Abstract · Rated G