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When Was Introversion and Extraversion Invented?

Sarah Jenkins • • 5 min read
When Was Introversion and Extraversion Invented?

The concept of introversion/extroversion was introduced in 1910 by Carl Gustav Jung

Carl Gustav Jung
He was the first to distinguish the two major attitudes or orientations of personality – extroversion and introversion (Jung, 1923). He also identified four basic functions (thinking, feeling, sensing, and intuiting) which in a cross-classification yield eight pure personality types.
, existing as part of a continuum with each personality type at separate ends of the scale.

When was extraversion and introversion discovered?

History. Extraversion and introversion were popularised by Swiss psychoanalyst Carl Jung (1875-1961) in 1921. In Psychological Types, Jung described how extraverts engage with external stimuli (Jung, 1921).

Who discovered extraversion?

One of the first times Carl Jung introduced the term is in 1917, in his book "Die Psychologie der Unbewussten Prozesse", he spelled it "ExtrAvert".

Sarah Jenkins
Author

Sarah Jenkins

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.