Experts, such as clinicians, can use their clinical judgment to make accurate predictions about people. People are basically good-hearted. People are basically rational. Commonsense is filled with wisdom. Positivism is an outmoded philosophy of science.
Psychology is both a science and a profession.
Interactionism Interactionism is situationism taken one more step. They usually don't. Mostly, people respond to the situation, as Milgram, Asch, and Hitler all discovered. Constructivism I don't really like the label constructivism, but he at least its consistent with tradition. Social psychologists apply this notion to social behavior with their assumption that people are active participants in social settings.