AP PSYCHOLOGY

Detailed explanation-1: -According to Eysenck’s (1967, 1981, 1994) biological theory of personality, the personality dimension of extraversion (E) is related to the ascending reticular activating system (ARAS).

Detailed explanation-2: -Eysenck’s theory therefore predicts that introverts require little or no external stimulation to reach an optimal level of cognitive performance, whereas extraverts require comparatively more external stimulation.

Detailed explanation-3: -Within the personality field, Eysenck’s influential Big Three model defines three core personality traits: extraversion, neuroticism, and psychoticism.

Detailed explanation-4: -At the core of Eysenck’s theory is the role played by three personality traits: (1) extraversion-introversion, (2) neuroticism, and (3) psychoticism. The bulk of research into the validity of Eysenck’s arguments concerns the measurement of these traits in criminal and noncriminal populations.

Detailed explanation-5: -Extraversion refers to the tendency to focus on gratification obtained from outside the self. Extroverts are characterized by warmth, positivity, gregariousness, and excitement seeking.