1Anderson J. Acquisition of cognitive skill[ J ]. Psychological Review, 1982, (89) :369 -406.
2Hanaoka O. Output, noticing, and learning: An investigation into the role of spontaneous attention to form in a four-stage writing task[ J ]. Language Teaching Research,2007, ( 11 ) :459 - 479.
3Izumi S. Output, input enhancement, and the noticing hypothesis [ J ]. Studies of Second Language Acquisi- tion, 2002, (24): 541 -577.
4Izumi S. Comprehension and production processes in second language learning : In search of the psycholinguistic rationale of the output hypothesis [ J]. Applied Linguistics, 2003, (24):168 -196.
5Krashen S. The Input Hypothesis: Issues and Implications[ M]. London: Longman, 1985.
6Levelt W. Speaking: From Intention to Articulation[ M]. Cambridge, MA: The MIT Press, 1989.
7Scovel T. Psycholinguistics [ M ]. Oxford : Oxford University Press, 1998.
8Swain M. Communicative competence: Some roles of comprehensible input and comprehensible output in its development [ A ]. In S Gass & C Madden ( eds. ). Input in Second Language Acquisition [ C ]. Rowley, MA : Newburv House, 1985. 235 -253.
9Swain M. Three functions of output in second language learning [ A ]. In G Cook & B Seidlhofer ( eds. ). Principles and Practice in Applied Linguistics : Studies in Honour of H G Widdowson [ C ]. Oxford : Oxford University Press, 1995. 125 - 144
