How have advances in our understanding of genetics, heritability, brain anatomy, and a general biological perspective contributed to the development of trait theories of personality?
◦ These areas reinforce the notion that traits are categories, rather than dimensions.
◦ Advances in these areas have allowed trait theories to explain why people differ on various traits.
◦ Advances in these areas have confirmed that the core number of trait dimensions is seven.
◦ These areas have all provided support for the unconscious origins of most traits.