How does classroom language learning take place? How does an understanding of second language acquisition contribute to language teaching? In answering these questions, Rod Ellis reviews a wide range of research on classroom learning, developing a theory of instructed second language acquisition which has significant implications for language teaching.

Rod Ellis is winner of the BAAL Book Prize in 1985 for the best book published in applied linguistics. Formerly Professor and Head of Department in the School of Language Studies, Ealing College of Higher Education.