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This work, honoring Saul B. Sells, adds to the understanding of the science of psychology and the application of that knowledge to meaningful human endeavors. Covers topics including: the interactionist approach and the importance of multivariate design, accuracy of measurement in order to move toward the understanding of human behavior, and the necessity of understanding personality characteristics and environmental affect. Important reading for researchers, students, and professionals in all subdisciplines of psychology, including personality development, social psychology, research metho

The literature on the combined treatment of alcohol and drug abusers was reviewed with a primary orientation toward the effect of psychological variables on treatment effectiveness. Clients, treatment staffs, and treatment strategies were considered. It was concluded that the literature on combined treatment indicates that further research on the differential effectiveness of combined versus separate treatment is unnecessary. Instead, future research should focus on examining how combined treatment can be improved, in what settings is it most appropriate, and for whom is it most effective.

A study of conflictive behavior in a three-person laboratory game provided support for five hypotheses or principles of survival in multipolar power systems: (1) the probability of survival is maximized by having as much or more power than the combination of all potential enemies; (2) if such hegemony is not possible, the probability of survival increases and conflict decreases following a transition from a multipolar to a bipolar power system; (3) disparity of power tends to increase conflict and reduce survival probabilities; (4) if power hegemony does not exist, survival is inversely related to power; and (5) aggressive (as opposed to pacific) behavior is positively related to survival. In addition, the conflict process was found to be a function of both structural and motivational factors.