A Psychometric Investigation of the Eysenck Personality Questionnaire

Abstract

The Eysenck Personality Questionnaire was administered to 139 females and 123 males. Scale statistics were obtained and hierarchical factor analyses were performed. The P scale was found to have low internal consistency reliabilities and to covary with the L scale in the female subsample. Factor analyses showed recovery of E scale items in a secondary factor, Social Extraversion, without an impulsivity primary factor. No P and N dimensions recovered; rather components of each scale interrelated in two meaningful dimensions at the tertiary level.