4Chiu, Y.. Facilitating Asian Students' Critical Thinking in Online Discussions[J]. British Journal of Educational Technology, 2009, 40 (1) : 42-57.
5Kek,M.Y.C.A. ,Huijser. H.. The Power of Problem-Based Learning in Developing Critical Thinking Skills:Preparing Students for Tomorrow's Digital Futures in Today's Classrooms[J]. Higher Education Research & Development, 2011, 30(3) : 329-341.
6Yang, Y. T. C., Chou, H. A.. Beyond Critical Thinking Skills: Investigating the Relationship between Critical Thinking Skills and Dispositions through Different Online Instructional Strategies[J]. British Journal of Educational Technology, 2008, 39(4): 666-684.
7Yukawa.J.. Co-reflection in Online Learning: Collaborative Critical Thinking as Narrative [J]. International Journal of Computer- Supported Collaborative Learning, 2006, 1(2) : 203-228.
8Hmelo-Silver, C. E., Barrows, H. S.. Facilitating Collaborative Knowledge Building [J]. Cognition and Instruction, 2008, 26 (1): 48-94.
9Paul,R.W.. Critical Thinking:How to Prepare Students for A Rapidly Changing Wodd[M].Santa Rosa.CA :Foundation for Critical Thinking, 1995.
10Garrison, D.R., Anderson,T., Archer,W.. Critical Thinking, Cognitive Presence, and Computer Conferencing in Distance Education [J].American Journal of Distance Education, 2001, (1) :7-23.
