THE INTERNAL STRUCTURE OF THE EPQ SCALES

Previous studies have shown that the Extraversion scale of the Eysenck Personality Inventory (EPI) comprises two discriminable subscales labelled Impulsivity and Sociability, but that the corresponding scale on the Eysenck Personality Questionnaire (EPQ) measures sociability alone. Recent evidence suggests that the EPI Neuroticism scale also incorporates empirically meaningful subscales, and investigations of the factor structure of the EPQ have indicated that Psychoticism items reflect a diverse range of constructs. The aim of the present study is to extend this earlier work by exploring in more detail the components of the EPQ scales. © 1991.