6[1]Piaget,J.The principles of Genetic Epistemology[M].London:Routledge & kegan Paul Ltd,1972.
7[2]Vygotsky,L S.Mind in Society[M].Cambridge:Harvard University Press,1978.
8[3]张华.课程与教学论[M].上海:上海教育出版社.2005.
9Alavi, M. Computer - mediated collaborative learning: An empirical evaluation [J]. MIS Quarterly, 1994,18 (2).
10Johnson, D. W. , &Johnson, R. T. Positive interdependence: Key to effective cooperation[A]. In R. Hertz - Lazaowitz & N. Miller ( Eds. ). Interaction in Cooperative Groupsz[ M ]. 1992.