How does a psychologist determine from your answers to personality questions whether you are an introvert, extravert, or somewhere in between? (The same question can be asked about other personality ...

A version of this article originally appeared on Inc. If you don't know whether you're an introvert or extravert, you live under a rock. The terms were invented by Swiss psychiatrist and psychoanalyst ...

Our personalities are generally thought to consists of five primary factors: openness to experience, conscientiousness, extroversion, agreeableness and neuroticism, with each of us ranking low to high ...

In 1921, Carl Jung, who first developed the notion of introversion, noted that no person is either exclusively an introvert or "extravert", but noted that extraverts (or extroverts as we now refer to ...