7Domyei Z, Malderez A. The role of group dynamics in foreign learning and teaching [ A ]. Jane Arnold (eds.). Affect in Language Learning[C ]. Cambridge: Cambridge University Press,1999. 165.
8Meighan R, Meighan J. Alternative roles for learners with particular reference to learners as democratic explorers in teacher education courses[J]. The School Field, 1990, 1(1) : 61 -77.
9Williams M, Burden R L. Psychology for Language Teachers [ M ]. Cambridge : Cambridge University Press, 1997.