Social psychology is the study of individual behavior and psychological structures and processes as both outcomes of and influences on interpersonal relationships, the functioning of groups and other collective forms, and culturally define macrosocial structures and processes. Social psychologists vary in the theoretical orientations and methods they use, the conceptual distinctions they draw, and the substantive causal linkages they study. Much of the variability in these areas is accounted for by the academic tradition in which a social psychologist has been trained.

Contemporary social psychology has intellectual roots in both psychology and sociology. Psychological social psychologists are guided by social learning theory as well as by orientations such as exchange and role theories. For the most part, their methods consist of laboratory and field experiments, and data analysis is accomplished with quantitative techniques. They discriminate between individual behavior and psychological structures and processes and interpersonal settings...