1[1]Brunet,J.S.(1960/1977) The Process of Education,Cambridge,Mass.:Harvard University Press.
2[2]Chastain,K.(1975) Affective and ability factors in second language acquisition,in Language-Learning 25.
3[3]Dukel,H.B.(1947) The effect of personality on language achievement,in Journal of Educational Psychology 38.
4[4]Eysenck,H.J.(ed.) (1970) Readings in Extroversion-Introversion:I.Theoretical and Methodological Issues,London:Staples Press.
5[5]Guo Qingzhu(国庆祝)(1986) The relation between anxiety and oral performance,unpublished MA paper,Tianjin Normal University.
6[6]Scovel,T.(1978) The effects of affect on foreign language leaming:a review of the an?dety research,in Language Learning 28.
7Vroom, V. 1964. Work and Motivation [M]. New.York: Wiley.
8Weiner, B. 1979. A theory of motivation for some classroom experiences [J]. Journal of Educational Psychology 71 : 3-25.
9Wen, Qiufang & R. K. Johnson. 1997. L2 learner variables and English achievement: A study of tertiarylevel English majors in China [J]. Applied Linguistics 18: 27-48.
10Williams, M. & R. Burden. 1997. Psychology for Language Teachers [M]. Cambridge: Cambridge University Press.