A definitive, authoritative and up-to-date resource for anyone interested in the theories, models and assessment methods used for understanding the many factes of Human personality and individual differences. Volume 1: Personality Theories and Models deals with the major theoretical models underlying personality instruments.

Psychoticism and Impulsivity

Psychoticism and impulsivity

The present chapter focuses on psychoticism and the related construct of impulsivity. The chapter begins with a discussion of the history of the concept, psychoticism, its measurement, its correlates in a wide range of areas, and a brief evaluation. In a shorter section, the concept of impulsivity is discussed and is related to the psychoticism construct.


The term ‘psychoticism’ is employed almost exclusively in personality psychology to refer to a specific dimension within H.J. Eysenck's ‘PEN’ theory of personality, and it is in this sense that we shall use it for most of the present chapter. In Eysenck's theory, comprising the three continuous dimensions of psychoticism (P), extraversion (E), and neuroticism (N), the concept represents individual differences in the personality dimension ...

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