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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 ...
Hans Jürgen Eysenck [1] (/ ˈ aɪ z ɛ ŋ k / EYE-zenk; 4 March 1916 – 4 September 1997) was a German-born British psychologist.He is best remembered for his work on intelligence and personality, although he worked on other issues in psychology.
Neuroticism in Eysenck's case acted like the people/task-orientation scale (except for being inverted as to which temperaments were "high" or "low"), but was later separated as a distinct factor in the Big Five.
Michael William Eysenck (/ ˈ aɪ z ɛ ŋ k / EYE-zenk; born 8 February 1944) [1] is a British academic psychologist, and is an Emeritus Professor in Psychology at Royal Holloway, University of London. He also holds an appointment as Professorial Fellow at Roehampton University. [1] His research focuses on cognitive factors affecting anxiety ...
By using the Eysenck Personality Inventory, it was established that, in all age groups, the mean E [extraversion] and N [neuroticism] scores of the affected were higher than those of the unaffected. The younger girls proved more susceptible, but disturbance was more severe and lasted longer in the older girls.
Eysenck played no role in the initiation of Grossarth's studies, nor had much influence over the process of most of the data-gathering. Eysenck would suggest analysis of the existing data and suggested that certain variables be explored more systematically. [42] Their joint work was published during the years 1985-2000.
Eysenck designated extraversion as one of three major traits in his P-E-N model of personality, which also includes psychoticism and neuroticism. Eysenck originally suggested that extraversion was a combination of two major tendencies, impulsiveness and sociability.
Psychoticism is believed to be associated with levels of dopamine. [4] Other biological correlates of psychoticism include low conditionability and low levels of monoamine oxidase; beta-hydroxylase, cortisol, norepinephrine in cerebrospinal fluid also appear relevant to psychoticism level.