A study of native language (L1) use in the collaborative interaction of five dyads of native English-speaking adult learners of Spanish as a second language (L2) found that L1 serves a critical function in students' attempts to mutually define task elements, provide each other with scaffolding help, and externalize inner speech. (Author/MSE)

In response to a study of functions of first-language usage in the second-language classroom, it is suggested the findings extend the scope of sociocultural theory by complementing studies in which language is seen to mediate the learning of concepts, in this case the second language, and gives insight into issues currently under vigorous…

A study analyzed repetition in the discourse of students of Spanish as a second language working on a writing assignment in collaborative dyads (n=5). Results show the sociocultural and mental activity was mediated by repetition of both first- and second-language utterances, whose effect was to create and maintain a shared perspective of the task…