1Beed, P. L., Hawkins, E. M., & Roller, C. M. (1991). Moving learners toward independence: The power of scaffolded instruction [J]. The Reading Teacher, 44(9), 648-655.
2Day, J.D. (1983). The zone of proximal development. In M. Pressley & J. R. Levin (Eds.), Cognitive strategy research: Psychological foundations (pp. 155-175) [M]. New York: Springer-Verlag.
3Donato, R (1994) Collective Scaffolding in Second Language Leaning[Z]. Donato, R (1994).
4Hammond, J., & Gibbons, P. (2001). What is scaffolding? [C]//J. Hammond (Ed.), Scaffolding: Teaching art learning in language and literacy education (pp. 1- 14). Newtown, Australia: 140 Primary English Teaching.
5Pressley, M., Hogan, K., Wharton-McDonald, R., Mistretta, J., & Ettenberger, S.(1996). The challenge of instructional scaffolding: The challenges of instruction that supports students thinking[J]. Learning Disabilities Research and Practice, 11(2), 138-146.
10Aljaafreh, A. & Lantolf, J. P. Negative feedback as regulation and second language learning in the zone of proximal development[ J ]. The Modern Language Journal, 1994(78 ).
