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…

This article discusses an experiment designed to examine the relationship between the external explanations that learners give for their language behavior, and actual language performance. The subjects who were native and non-native speakers of English were tested on their use of definite articles. (CFM)

Analysis of two studies (interpreted in terms of the distinction between language acquisition and language learning) showed that subjects tended to cluster the -s's on a few verbs rather than randomly, suggesting that the morpheme may be acquired not in isolation but attached to particular verbs. (SL)

Examines and compares two measures of adult second language learner performance: cued production and elicited imitation. Discusses the utility of each in terms of the contrasting results of the tasks on a carefully delineated area of grammar, namely the related structure of third person simple present and present progressive in WH-questions. (EKN)