3Brusilovsky P. Adaptive hypermedia, an attempt to analyze and generalize [ A ]. In P Brusilovsky, P Kommers & N Streitz (eds.). Multimedia, Hypermedia, and Virtual Reality [ C ]. Berlin : Springer-Verlag, 1996.288 - 304.
4Brusilovsky P. Adaptive and intelligent technologies for web-based education[J]. In Rollinger C & Peylo C ( eds. ). Special Issue on Intelligent Systems and Teleteaching, 1999, (4) : 19 -25.
5Creer Thomas L. Psychology of Adjustment: An Applied Approach [ M ]. Beijing: Peking University Press/Prentice Hall, 1997. 67 -71.
6Garrison D R & Anderson Terry. E-Learning in the 21st Century, A Framework for Research and Practice [ M ]. London and New York : Routledge Falmer, 2003.60.
7Weiner B. An Attributional Theory of Motivation and Emotion [ M ]. New York: Springer-Verlag Press, 1986. 3 - 15.
8Wilson B G & Myers K M. Situated cognition in theoretical and practical context [ A ]. In Jonassen D H & Land S M(eds. ). Theoretical Foundations of Learning Environment [ C ]. Mahwah, NJ: Lawrence Erlbaum Associates, 2000. 57 - 59.
