Numerous researchers discuss the solidarity-producing effects of crime, natural disasters and mass tragedies; however, there is much we do not understand about the processes involved in the phenomena. We specify the social relationships that "generate" and "sustain" solidarity by building on Hunter's descriptions of the…

The effects of group problem-solving methods and problem-situation complexity on attempts at implementing group solutions were investigated in a laboratory field setting. Structure in group decision-making processes led to increased rates of implementation attempts at all levels of problem-situation complexity. (Author/IRT)