1Ely,C.An Analysis of Discomfort,Risk-taking,Sociability,and Motivation in the L2 Classroom [J].Language Learning,1986 ( 01 ) : 1-25.
2Ely,C.Tolerance of Ambiguity and the Teaching of ESL[A].In: Reid,J.M. (Eds.) Learning Styles in the ESL/ EFL Classroom [C].Peking: Foreign Language Teaching and Research Press,2002: 87-95.
3Ellis,R.Understanding Second Language Acquisition [M].Oxford: OUP,1994.
4Ehrman,M.E.Ego Boundaries and Tolerance of Ambiguity in Second Language Learning [A].In: Arnold,J. (Eds.) .Affect in Language Learning[C].New York: Cambridge,1999: 68-86.
5Dugas,M.J.,Gosselin,P.&Ladouceur,R.Intolerance of Uncertainty and Worry: Investigating Specificity in a Nonclinical Sample [J].Cognitive Therapy and Research,2001 ( 05 ) : 551-558.
6Budner,S.Intolerance of ambiguity as a personality variable [J].Journal of Personklity,1962 ( 30 ) : 29-50.
7Kitano,K.Anxiety in the college Japanese language classroom [J].The Modern Language Journal,1985 ( 04 ) : 549-564.
8Hortwitz,E.K.Preliminary Evidence for the Reliability and Validity of a Foreign Language Anxiety Scale.TESDL Quarterly,1986.
9Horwitz,E.K,Young D J.Language Anxiety: From Theory and Research to Classroom Implications [M].New Jersey: Prentice Hall,1991.
10Chapelle,C.& Roberts,C.Ambignity tolerance and field independence as predictors of proficiency in English as a second language [J].Language Learning,1986 ( 36 ) : 27-45.
