This study investigated the effects of two group decision making techniques on a set of four problems in groups of sizes 3, 7, and 11. Participants included 192 male and 132 female undergraduates. Estimates that could be evaluated for accuracy for each of the problems were collected for a series...

Several models of prisoner's dilemma interactions were tested in a series of twelve games whose termination point was determined probabilistically. A new model was introduced to discriminate among equilibrium and nonequilibrium situations on the basis of a player's expected benefits or losses...