6Kafai, Y. & Resnik, M. Cortstructivism in Practice : Designing, Thinking and Learning in a Digital World[ M]. Mahwah,NJ:Lawrence Erlbaum Associations, 1996.
7Arlin M , Webster J. Time Costs of Mastery Learning [J]. Journal of Educational Psychology, 1983 (2): 187-195.
8Greene J A. Azevedo R A. Theoretical Review of Winne and Hadwin's Model of Self-Regulated Learning: New Perspectives and Directions [J], Review of Educational Research, 2004, 77 (3): 334-372.
