Clarifies and defines quantitative research as it is applied to the study of language acquisition. Trends in the use of quantitative and nonquantitative methods in applied linguistics are reported, and suggestions are made concerning useful paradigms and procedures for further research in language acquisition. (Author/CB)

Considers both qualitative and quantitative research approaches on second language learning, with focus on second language classroom research. Concludes that both approaches are relevant to determining the important variables to investigate and the relationships those variables have to second language learning outcomes. (Author/CB)