Evidence is presented to support the hypothesis that informal and formal environments contribute to different aspects of second language competence, the former affecting acquired competence and the latter affecting learned competence. Data is presented that suggests that the classroom can be used simultaneously as a formal and informal linguistic…

A study is reported investigating whether reported sequence of acquisition of grammatical morphemes for second language learners would be found to exist in tasks other than that requiring speech production. (Author/RM)

The appearance of English auxiliaries in the speech of five native speakers of Spanish is described, as well as these subjects' acquisition of the negative and interrogative transformations. (Author/RM)

This article summarizes a study (Odlin 1978) using variable rules analyses to describe the contraction patterns of six Mexican students of English as a second language. (CFM)

Limitations of language acquisition research are: the restricted linguistic scope of studies; lack of data in cognitive processes and learning strategies, the role of individual variables, second language acquisition, and the role of social and environmental variables; and undeveloped methodology for data collection and data analysis. (SCC)

Reexamines the question of why pattern practice fails by hypothesizing about the information processing activities that they entail. (Author/CFM)