1HorwitzE. K., HorwitzM. B., Cope J. For -eign language classroom anxiety [J]. The Modern Language Journal, 1986(70).
2Horwitz E.K. Language anxiety and achi -evement[J].hnnual Review of Applied Linguis -tics, 2001(21).
3MacIntyre P.D. How does anxiety affect second language learning? h reply to Sparks and Ganschow[J].The Modern Language Journal, 1995(79).
4Dewaele J.M., Furnham A. Personality and speech production: A pilot study of second language learners[J].Personality and Individual Differen -ces, 2000(2).
5Burgoon J.K. The unwillingness to comm. unicate scale: Development and validation[J]. Communication Monographs, 1976(13).
6Liu M.H., Jackson J. An exploration of Chinese EFL learners' unwillingness to commun -icate and foreign language anxiety[J].The Modern Language Journal, 2008(92).
7Bekker H.J., Mens-Verhulst J.V. Anxiety disorders: Sex differences in prevalence, degree and background, but gender-neutral treatment[J]. Dender Medicine, 2007 (4).