7Ahlgren A. Jonhson D. W. ( 1979). Sex Differences in Cooperative and Competitive Attitudes from the Second through the "Twelfth Grades. Develop- mental Psychology. Vol. 15, P45-49. 被引量：1
8Fitzgerald M. , Frankie G. H. ( 1982). The effects of Age and Communication on Cooperation and Competition in Children and Adolescents. Journal of Genetic Psychology, Vol, P295 -296. 被引量：1
9Dawes M. (1980). Social dilemmas. Annual Review of Psychology, 31,69 - 93. 被引量：1
