The present research was designed to explore the role of communication on interindividual-intergroup discontinuity in the context of the PDG-Alt matrix. (The PDG-Alt matrix is a prisoner's dilemma game matrix that adds a third withdrawal choice to the usual cooperative and uncooperative choices...

The present research involved an examination of interindividual-intergroup discontinuity in the context of three different generalizations of the prisoner's dilemma game (PDG). (Interindividual-intergroup discontinuity is the tendency of intergroup relations to be more competitive and less...