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…

Prior theoretical formulations have suggested that client exposure to levels of personal risk and responsibility most conducive to optimal group development can be regulated with group structure. Analysis of variance results indicated the highest frequency of therapeutically relevant behaviors occurred in the high-structure and high-risk-taking…

This paper describes some of the military requirements for an assessment technique with which to estimate the effectiveness of the interactions that occur between military assistance program advisors and their counterparts. An experimental criterion of effectiveness, willingness to work together, is described, and estimates of its validity…