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Eysenck's PEN model

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated September 2025

Definition

Eysenck's PEN model is a personality theory developed by Hans Eysenck that categorizes individuals into three dimensions of personality: Psychoticism, Extraversion, and Neuroticism. It suggests that these traits can be measured and are biologically based.

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