“…Class cohesion is based upon positive interpersonal relationship among students. The research strongly supports the proposition that cooperative goal structures encourage positive interpersonal relationships characterized by mutual liking, positive attitudes toward each other, mutual concern, friendliness, attentiveness, feelings of obligation to other students, and desire to win the respect of other students (Anderson, 1939;Blau, 1954;Crombag, 1966;Deutsch, 1949a;DeVries & Edwards, 1972a;French, 1951;Gottheil, 1955;Haines & McKeachie, 1967;Julian & Perry, 1967;Krauss, 1966;McClintock & McNeel, 1967;Myers, 1962b;Phillips & D'Amico, 1956;Ryan & Wheeler, 1973;Stendler, Damrin, & Haines, 1951;Swingle & Coady, 1967;Uejio & Wrightsman, 1967;Wheeler, 1972). The majority of these same studies demonstrate that competitive goal structures have a negative effect on interpersonal relations among students!…”