3Bahanshal D. A. The Effect of Large Classes on English Teaching and Learning in Saudi Secondary Schools[J]. English Language Teach- ing,2013 ( 11 ) :49 - 59.
4Grissmer, D. Class size effects:assessing the evidence, its policy implications and future research agenda [J]. Educational Evaluation and Policy Analysis,1999(2) :231 -248.
5Nye, B. Hedges, L. V. Konstantopolous, S. The effects of small classes on academic achievement : the results of the Tennessee class size ex- periment[J]. American Educational Research Journal,2000( 1 ) :123 - 151.
6Pedder D. Are small classes better? Understanding relationships between class size, classroom processes and pupils' learning [J]. Oxford Review of Education,2006 (2) :213 - 234.
7Bosworth, R. Class size, class composition, and the distribution of student achievement [J]. Education Economics 2014 ( 2 ) :141 - 145.
8Baharum N.D.&Ariffin K.Anxiety in Learning English Among Low Achievers:The Questions of Gender,Language Preference and Academic Performance[A].In Kasim A.et al.(eds.).Proceedings of the International Conference on Science,Technology and Social Sciences[C].Springer Science Business Media Singapore,2012:299-308.
9Harfitt G.J.Class size and language learning in Hong Kong:the students'perspective[J].Educational Research,2012(3):331-342.
10Horwitz E.K.,Horwitz,M.B.&Cope,J.Foreign language classroom anxiety[J].Modern Language Journal,1986(70),125-132.
