ABSTRACT
The need-satisfaction theory of cohesiveness has been stated at an extremely high level of generality and, thus, has the potential of great integrating power. Quite possibly because of psychoanalytic influence, individual psychology has concentrated more on the phenomena of interpersonal hostility. Cognitive factors have been tied to the frustration model at a number of points. The major conceptualization in the area of hostility has clearly been the frustration-aggression hypothesis. The foregoing analysis shows that the theoretical approaches to attraction and hostility by group and individual psychology are essentially based on a highly general model of need satisfaction or need frustration. Aspiration and ambition with respect to most task and career goals can only be understood in relation to some standard which is social in nature. The status- or security-defensive interpretation of aggression requires a role for cognitive factors just as the social-motivation interpretation of attraction does.
