A classic experiment in social psychology was conducted by the social psychologist Muzafer Sherif et al. at the boys' summer camp near Robbers Cave, Oklahoma. The important finding in this study was that
(a). most people cooperate in a social setting.
(b). competition plays a small role in most of our lives.
(c). a and b
(d). a cooperative, or so-called superordinate, goal attained only by working in a joint manner, can bring two hostile groups together, thus reducing competition and enhancing cooperation.