The stimulus value of group boundaries was investigated in a field experiment. It was hypothesized that the size of a group and the status of its members would reduce the permeability of a boundary around an interacting group. Two or 4 interacting people of high or low status interrupted the traffic flow in a university hallway. Results indicate…

Recent investigations of the effects on group output of competitive contingencies, reward deliveries to group members contingent upon achieving a higher or lower task rate than another group, have suggested that competitive contingencies are a positive function of group output. When rewards are contingent upon a higher comparison outcome, group…

This study was an attempt fo document aspects of small group work in classrooms engaged in the process education curricula called "Materials and Activities for Teachers and Children" (MATCH). Data on student-student interaction was related to small group work and gathered by paper-and-pencil sociometric questionnaires and measures of group…