5Keller,J.M.Motivational design of instruction.In C.M.Reigeluth (Ed.).Instructional design theories and models:Anoverview of their current status[M].Hillsdale:Erlbaum,1983.
6Williams,M and R.L.Burden.Psychology for Language Teachers:a Social Constructivist Approach[M].Cambridge:Cambridge University Press,1997:120.
7Ellis,R.The Study of Second Language Acquisition[M].Shanghai:Shanghai Foreign Language Education Press,1999:175.
8Davies,P.& Pearse,E..Success in English Teaching[M].上海:外语教育出版社,2002:79.
9Dornyei,Z..Motivation and Motivation in Foreign Language Classroom[J].The Modern Language Journal,1994(3):273-284.
10Trembley,P.F.& R.C.Gardner.Expanding the motivation construct in language learning[J].Modern Language Journal,1995(79):505-520.