In my book The Shyness Guide, I've written about C.G. Jung's different conception of 'introvert/extrovert' - different, that is, from the view of most people today. In his 1921 book Psychological Types, he proposed that there are four principal functions: Two perceiving functions: Sensation and Intuition Two judging functions: Thinking and Feeling We … Continue reading Are you an introvert and an extrovert?