Groups (N=62) of four members each used a multiple role-playing technique under three conditions: majority rule, unanimity rule, or no assigned decision rule. Results suggested that assignment of a majority rule has greater potential for reducing power inequalities. Discusses changes in members' self-perceived power. (Author/RC)

The study takes place in a field setting at three different schools. Each group is composed of two black and two white students assigned randomly to either an experimental or control condition. Fourteen groups were run for each condition or a total of 28 groups. In the control condition both blacks and whites receive the same neutral training…

Mentally retarded children were studied for their conceptual development and movement from the ability to perceive persons as separate entities but not in significant interaction (aprasia) to group activity. A quasi-projection technique was used to test six groups of 20 boys each, including institutionalized and family-based normals (aged 6 and…