Tests the assumption that the aspects of a group's behavior that lead to judgments of quality probably are equally important and assesses the theoretical import of a discovery indicating differences in the relative impact of different variables on perceptions of the quality of decision making discussions. (MH)

Supports the hypothesis that interaction processes connected with the Valence Distribution Model mediated the effect of decision schemes on group decisions. Substantiates the assumptions that interaction is a crucial factor in group decision making. Although input conditions may also have an impact on decision outcomes, they are mediated by…

Examines the groupthink phenomenon under controlled, laboratory conditions. Results indicate that the presence or absence of disagreement (conflict, hostility) among members may be the best discriminator between groupthink and nongroupthink groups. (JMF)

Presents an experimental study designed to investigate the influence of message design strategies on cognitive processing and changes in attitudes, behavioral intentions, and behavior in relation to marijuana use. Explains that in the experiment, college students viewed four anti-marijuana public service announcements. Notes that results provide…