Personality and Roles: Sources of Regularities in Social Behavior For behavioral scientists, whether they identify primarily with the science of psychology or with that of sociology, there may be no challenge greater than that of discovering regularities and consistencies in social behavior. After all, it is such regularities and consistencies that lend predictability to the behavior of individuals in social contexts-in particular, to those events that constitute dyadic interactions and group processes. In the search for behavioral consistencies, two theoretical constructs have emerged as...