The implicit/ explicit distinction is central to our understanding of the nature of L2 acquisition. This book begins with an account of how this distinction applies to L2 learning, knowledge and instruction. It then reports a series of studies describing the development of a battery of tests providing relatively discrete measurements of L2 explicit/ implicit knowledge. These tests were then utilized to examine a number of key issues in SLA - the learning difficulty of different grammatical structures, the role of L2 implicit/ explicit knowledge in language proficiency, the relationship between learning experiences and learners' language knowledge profiles, the metalinguistic knowledge of teacher trainees and the effects of different types of form-focused instruction on L2 acquisition. The book concludes with a consideration of how the tests can be further developed and applied in the study of L2 acquisition.
Professor Rod Ellis is Professor in the Department of Applied Language Studies and Linguistics at the University of Auckland, New Zealand. He has worked in Zambia, the UK, Japan, and the U.S.A for extended periods. He has published a number of books on second language acquisition and teacher education. He has also published EFL/ESL textbooks. His main interest lies in the application of second language theory and research to language teaching.
He is co-author of Analysing Learner Language, and author of Second Language Acquisition, SLA Research and Language Teaching, The Study of Language Acquisition, which won the English Speaking Union's Duke of Edinburgh Book Competition, Understanding Second Language Acquisition, which won the BAAL Book Prize, and Task-based Language Learning and Teaching, all published by Oxford University Press.