In this lecture, I begin discussing the development of modern trait theory. Psychologists, expert in measurement and statistics, discovered extraversion, neuroticism, agreeableness, conscientiousness and openness to experience, and began the process of delineating their social significance and biological underpinnings..
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Jordan Peterson Website: http://jordanbpeterson.com/
Reading List: http://jordanbpeterson.com/2017/03/great-books/