Presents a description and analysis of group glee (joyful screaming, laughing and intense physical acts occurring in simultaneous bursts or in a contagious fashion), studied by means of videotapes of 596 formal lessons in a preschool. Information collected concerned occurrence, location, frequency and duration, teachers' responses, incidence of…

The tendency to delay gratification as affected by sex and group participation was explored in 6- and 7-year-old children. (BRT)

Examined assertive bids of elementary school children engaged in a cooperative task. Results from kindergarten and grade one participants support previous research regarding greater male assertiveness and attempts to influence other boys. By grade three, girls' overall assertiveness equaled that of boys. (Author/DB)

Examined the interrelations of group contextual factors and the occurrence of aggressive behavior in 22 experimental play groups of 7- and 9-year-old African American boys. Found that negative affect, high aversion behavior, high activity level, low group cohesion, and competitiveness were related to the occurrence of aggressive behavior. (MDM)

Investigated the relationship between peer group identification and similarity between individuals involved in problem behavior, and whether group identification moderated group influence on development of delinquent behavior among Italian sixth- and seventh-graders. Found that group behavior interacted with reciprocity of group nominations in…