Summarizes research on small group processes by giving a comprehensive account of the types of variables primarily studied in the laboratory. These include group structure, group composition, group size, and group relations. Considers effects of power, leadership, conformity to social norms, and role relationships. (Author/AV)

This study investigated how "correct" and "incorrect" dissenters from erroneous group consensus affect conformity on visual and opinion stimuli under normative and informational social pressure. Results are consistent with earlier data. (Author)