| Category | Details |
|---|---|
| Description | The Eysenck Personality Inventory (EPI; Eysenck & Eysenck, 1963) evaluates personality traits, focusing on extraversion, introversion, and neuroticism. Initially, 140 items were generated, including 18 adapted from the Maudsley Personality Inventory (MPI) Lie scale and 122 targeting extraversion and neuroticism. Factor analysis identified three factors: Neuroticism, Extraversion, and Psychopathy. |
| Author | Hans J. Eysenck, Sybil B. G. Eysenck |
| Affiliation | University of London Institute of Psychiatry |
| Purpose | Measures personality traits of extraversion, introversion, and neuroticism |
| Construct | Extraversion; Introversion; Neuroticism |
| Instrument Type | Inventory/Questionnaire |
| Other Versions | – Eysenck Personality Questionnaire-Revised- Eysenck Personality Questionnaire—Revised; New Short Form- Junior Eysenck Personality Questionnaire- Eysenck Personality Profiler V6- Short-scale Eysenck Personality Questionnaire—Revised- Junior Eysenck Personality Questionnaire—Revised- Translations: Italian, European Portuguese |
| Format | Two forms, A and B, each containing 57 items |
| Administration Method | Paper |
| Test Items Available | No (Contact the publisher or author for item details) |
| Reliability | Not indicated |
| Validity | Not indicated |
| Factor Analysis | Three factors identified: Neuroticism, Extraversion, Psychopathy |
| Test Year | 1963 |
| Age Group | Adulthood (18 years and older) |
| Population Group | Humans; Male; Female |
| Keywords | Extraversion-Introversion Scale; Factor Analysis; Neuroticism-Stability Scale; Personality Traits |
| Reference | Eysenck, H. J., & Eysenck, S. B. G. (1963). Eysenck Personality Inventory. University of London Institute of Psychiatry. |
Cite this article
Mohammed looti (2026). Eysenck Personality Inventory. PSYCHOLOGICAL SCALES. Retrieved from https://scales.arabpsychology.com/s/eysenck-personality-inventory/
Mohammed looti. "Eysenck Personality Inventory." PSYCHOLOGICAL SCALES, 4 Apr. 2026, https://scales.arabpsychology.com/s/eysenck-personality-inventory/.
Mohammed looti. "Eysenck Personality Inventory." PSYCHOLOGICAL SCALES, 2026. https://scales.arabpsychology.com/s/eysenck-personality-inventory/.
Mohammed looti (2026) 'Eysenck Personality Inventory', PSYCHOLOGICAL SCALES. Available at: https://scales.arabpsychology.com/s/eysenck-personality-inventory/.
[1] Mohammed looti, "Eysenck Personality Inventory," PSYCHOLOGICAL SCALES, vol. X, no. Y, ص Z-Z, April, 2026.
Mohammed looti. Eysenck Personality Inventory. PSYCHOLOGICAL SCALES. 2026;vol(issue):pages.