Eysenck Personality Inventory.

EPI

What it measures

Two dimensions: Extraversion-Introversion and Neuroticism-Stability, plus a Lie scale (predecessor of the EPQ; no Psychoticism)

Length and format

57 (24 E, 24 N, 9 Lie). Yes/No (dichotomous) (self-report questionnaire)

Language versions

Translated into many languages historically (ES, DE, RU, ZH, AR, and others); still administered internationally despite the EPQ succession

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

copyrighted - commercial

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

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Reference

Eysenck, H. J., & Eysenck, S. B. G. (1964). Manual of the Eysenck Personality Inventory. London: University of London Press.