Based on the quantitative and qualitative studies reported in the TESOL Quarterly between 1967-2000, two changes in research methods are identified: (1) Quantitative methods came of age in the mid 1980s and qualitative methods, in the late 1990s.

• 同时对1967-2000年TESOL Quarterly刊登的量化和质化研究论文进行统计,总结出二语习得研究方法的总体变化趋势:量化法于20世纪80年代中期步入成熟期,质化法于20世纪90年代后期步入成熟期。 二语习得研究方法呈现两个最新发展趋势:(1)运用微变化研究法来探究二语习得机制;