Proposes a synthesis based on persuasive argument theories but including a revised social comparison component to account for group polarization. Indicates that group members first lean toward risk or caution based on the proportion of arguments on "both sides" but henceforth argue for the "correct side" using their…

Seeks conditions that improve group performance on "hidden profiles." Finds that, among undergraduate student groups, group information sharing and decision-making effectiveness were higher in small groups with a low percentage of shared information, and lower when groups either were large or shared a high percentage of information.…

Explores the effects of Group Decision Support Systems (GDSS) on small group communication and decision-making processes. Finds that comparing GDSS, manual, and baseline conditions enables separation of effects resulting from procedural structures from those resulting from computerization. Results support some aspects of the research model and…

Explores the role of culture in shaping interpersonal interactions. Investigates the effect of group identity on subjects' levels of attributional confidence, their individuation of group members, and ultimately their interpersonal-interaction strategies. Discovers that the perceived homogeneity of group values eases intragroup interaction. (PRA)