“…Experiments employing the Prisoner's Dilemma game have been conducted by several investigators (Bixenstine, Chambers, and Wilson, 1964;Bixenstine, Potash, and Wilson, 1963;Bixenstine and Wilson, 1963;Deutsch, 1955;Lave, 1965;Lutzker, 1960;McClintock, Harrison, Strand, and Gallo, 1963;Minas, Scodel, Marlowe, and Rawson, 1960;Scodel, & h a s , Ratoosh, and Lipetz, 1959). Most of these studies paid attention to many types of independent variables (Gallo and McClintock, 1965) but suffered from a narrow range of dependent variables and a nonrigorous way of treating them.…”