This study investigated the effect of an interaction between relatively active and relatively quiet boys on their joint activity level. (Author/RY)

This experiment investigates the relation between differences in strategy and performance in a variety of interaction situations. Accommodative and exploitative behavior tended to be alike in males and females. Situational variables studied included intragroup vs. integroup negotiation, three different games, and three sets of contrasting…

This study examined the effects of increasing the amount and quality of father-son interaction at home on attachment and separation behavior in the laboratory situation. Twenty boys, 12 months of age, and their low interacting fathers participated in this study. Twelve father-son pairs received a list of games to be played each evening over a…

Suggests that usurpation of control by a leader causes low-status group members to become dissatisfied with participation, but perceived lack of support causes dissatisfaction with the level of goal attainment. Tables and bibliography. (RW)

This study examines social comparison processes occurring in the interactions among normal adolescents in peer groups. Eight types of social comparison processes were predicted. Two of these, specific to adolescent developmental processes, are new. The experimental design called for behavioral observation documenting occurrence of social…

This is the second volume in a series that documents the Youth in Transition project, a national longitudinal study of about 2,200 10th grade boys in public schools. This document deals with family background factors and abilities as they relate to a variety of personality characteristics, behaviors, and plans for the future. Major units include:…