2McCroskey, J. , J. Fayer & V. Richmond. 1985. Don't speak to me in English: Communication apprehension in Puerto Rico [J]. Communication Quarterly 33: 185-92.
3Price, M. 1991. The subjective experience of foreign language anxiety: Interviews with high anxious students [A]. In E.Horwitz & D. Young (eds.). Language Anxiety: From theory and research to classroom implications [C]. Englewood Cliffs, NJ: Prentice Hall. Pp. 101-8.
4Sarason, I. 1978. The test anxiety scale: Concept and research [A]. In C. Spielberger & I. Sarason (eds.). Series in Clinical and Community Psychology [ M ]. Washington:Hemisphere Publishing Corporation. Pp. 193-216.
5Spielberger, D. 1966. Anxiety and Behavior [M]. New York:Academic Press.
6Spielberger, D. 1972. Anxiety : Current Trends in Theory and Research [M]. New York: Academic Press.
7Steinberg, F. & E. Horwitz. 1986. The effect of induced anxiety on the denotative and interpretative content of second language speech [J]. TESOL Quarterly 20: 131-36.
8Tobias, S. 1979. Anxiety research in educational psychology [J]. Journal of Educational Psychology 71: 573-82.
9Watson, D. & R. Friend. 1986. Measurement of social-evaluative anxiety [J ]. Journal of Counsulting and Clinical Psychology 43: 384-95.
10Young, D. 1986. The relationship between anxiety and foreign language oral proficiency ratings [ J ]. Foreign Language Annals 19: 439-45.
