The Development of Second Language Proficiency

This text presents the findings of a major investigation of second language proficiency in various groups of school-aged learners. It invites a frank appraisal of the research from an outside panel of experts. The theoretical and practical implications of the study are the subject of a lively debate focused on three main research issues: the nature of second language proficiency, the impact of classroom treatment on second language learning, and the role of social and individual factors in ...