3. How do you think Berenson might score on a test of agreeableness? On a test of conscientiousness? We have discussed the diff erent ways in which psychologists have interpreted the development and structure of personality. The perspectives we examined ranged from Freud’s analysis of personality based primarily on internal, unconscious factors to the externally based view championed by learning theorists of personality as a learned set of traits and actions. We also noted that there are many ways to interpret personality; by no means does a consensus exist on what the key traits are that are central to personality