The Eysenck Personality Questionnaire: an examination of the factorial similarity of P, E, N, and L across 34 countries
The Eysenck Personality Questionnaire (EPQ) is a self-report test made by Hans J. Eysenck and Sybil B. G. Eysenck to measure four personality scales: Extraversion (E), Neuroticism (N), Psychoticism (P), and a Lie or social-desirability scale (L). It is based on Eysenck's theory that temperament has biological and genetic roots,…