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MENTAL MODEL · M2256

First Impression Effect

First Impression Effect
BehaviorHigh supportSocial Psychology
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Also known as the primacy effect. The first impression formed during initial interactions strongly and persistently influences the overall evaluation and attitude formation towards the person.

SCAFFOLDING EFFECT

psychology

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The impression formed during initial contact strongly and persistently influences subsequent evaluations.

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People form an overall evaluation of others based on limited information within a very short time, and this initial impression has a persistent and difficult-to-change anchoring effect.

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/First_impression_(psychologyZH · Explicit
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