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MENTAL MODEL · M12154

Lexical Hypothesis

Lexical Hypothesis
BehaviorHigh supportPsychology
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

In personality psychology, the lexical hypothesis (also known as the fundamental lexical hypothesis, lexical approach, or sedimentation hypothesis) generally includes two postulates: 1. Those personality characteristics that are important to a group of people will eventually become a part of that group's language. and that therefore: 2. More important personality characteristics are more likely to be encoded into language as single words.

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In personality psychology, the lexical hypothesis (also known as the fundamental lexical hypothesis, lexical approach, or sedimentation hypothesis) generally includes two postulates: 1. Those personality characteristics that are important to a group of people will eventually become a part of that group's language. and that therefore: 2. More important personality characteristics are more likely to be encoded into language as single words.

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The lexical hypothesis posits that if a personality difference is important for group survival, language will evolve specific words to describe it; thus, the structure of personality-descriptive terms in a corpus can reflect the structure of personality. It is a 'bottom-up' strategy for extracting personality dimensions from language.

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Lexical_hypothesisZH · Explicit
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