It is very difficult to empirically test psychoanalysis. He limited attention of psychology to that which could be observed behavior. Behavior is the result of antecedent stimuli that precede the behavior and consequent stimuli that follow the behavior. In addition, there is the assumption that behavior is ordered. They don t really discuss parts of personality.
Behaviorists use personality traits as intervening variables rather than as hypothetical constructs.
Intervening variables just summarize a set of observable phenomenon. Development of Personality Behaviorists are interested in learning and conditioning. Instrumental Conditioning conditioning voluntary responses through their consequences. Reinforces can be positive or negative. Generalization , when a response that was originally learned in one situation is trained to occur in other similar situations.