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In psychology, the Eysenck Personality Questionnaire (EPQ) is a questionnaire to assess the personality traits of a person. It was devised by psychologists Hans Jürgen Eysenck and Sybil B. G. Eysenck. [1] Hans Eysenck's theory is based primarily on physiology and genetics. Although he was a behaviorist who considered learned habits of great ...
Eysenck suggests that different personality traits are caused by the properties of the brain, which themselves are the result of genetic factors. [17] In particular, the three-factor model identifies the reticular system and the limbic system in the brain as key components that mediate cortical arousal and emotional responses respectively.
The Temperament and Character Inventory (TCI) is an inventory for personality traits devised by Cloninger et al. [1] It is closely related to and an outgrowth of the Tridimensional Personality Questionnaire (TPQ), and it has also been related to the dimensions of personality in Zuckerman's alternative five and Eysenck's models [2] and those of the five factor model.
The biological basis of personality is a collection of brain systems and mechanisms that underlie human personality. Human neurobiology, especially as it relates to complex traits and behaviors, is not well understood, but research into the neuroanatomical and functional underpinnings of personality are an active field of research.
The two-factor model of personality is a widely used psychological factor analysis measurement of personality, behavior and temperament. It most often consists of a matrix measuring the factor of introversion and extroversion with some form of people versus task orientation.
Psychoticism is conceptually similar to the constraint factor in Tellegen's three-factor model of personality. [1] Psychoticism may be divided into narrower traits such as impulsivity and sensation-seeking. These may in turn be further subdivided into even more specific traits.
Extensive personality research has been done that links positive emotional states to individual differences in risky behaviour. [1] The trait 'positive urgency', defined as the tendency to engage in risky behaviour under conditions of extreme positive affect, is predictive of substance or behavioural problems that lead to addiction. [20]
Personality and Individual Differences is a peer-reviewed academic journal published 16 times per year by Elsevier. It was established in 1980 by Pergamon Press and is the official journal of the International Society for the Study of Individual Differences.