- published: 13 Aug 2013
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The trait of extraversion–introversion is a central dimension of human personality theories.
The terms introversion and extraversion were first popularized by Carl Jung. Virtually all comprehensive models of personality include these concepts in various forms. Examples include the Big Five model, Jung's analytical psychology, Hans Eysenck's three-factor model, Raymond Cattell's 16 personality factors, the Minnesota Multiphasic Personality Inventory, and the Myers Briggs Type Indicator.
Extraversion and introversion are typically viewed as a single continuum. Thus, to be high on one it is necessary to be low on the other. Carl Jung and the authors of the Myers-Briggs provide a different perspective and suggest that everyone has both an extraverted side and an introverted side, with one being more dominant than the other. Rather than focusing on interpersonal behavior, however, Jung defined introversion as an "attitude-type characterised by orientation in life through subjective psychic contents" (focus on one's inner psychic activity); and extraversion as "an attitude type characterised by concentration of interest on the external object", (the outside world).
Carl Gustav Jung (/ˈjʊŋ/ YUUNG; German: [ˈkarl ˈɡʊstaf ˈjʊŋ]; 26 July 1875 – 6 June 1961) was a Swiss psychiatrist, the founder of analytical psychology. Jung is considered the first modern psychiatrist to view the human psyche as "by nature religious" and make it the focus of exploration. Jung is one of the best known researchers in the field of dream analysis and symbolization. While he was a fully involved and practicing clinician, much of his life's work was spent exploring tangential areas, including Eastern and Western philosophy, alchemy, astrology, and sociology, as well as literature and the arts.
Jung considered individuation, a psychological process of integrating the opposites including the conscious with the unconscious while still maintaining their relative autonomy, necessary for a person to become whole. Individuation is the central concept of analytical psychology.
Many psychological concepts were first proposed by Jung, including the archetype, the collective unconscious, the complex, and synchronicity. Popular psychometric instruments like the Myers-Briggs Type Indicator (MBTI), have been principally developed from Jung's theories.