Howard Jackson is Professor of English Language & Linguistics and Associate Dean of the Faculty of Law, Humanities & Social Sciences, at the University of Central England in Birmingham
Etienne Z� Amvela is Professor of English Language and Linguistics and Vice-Rector in charge of Internal Control and Evaluation at the University of Yaounde I, Cameroon. He is the author of scores of articles in academic journals and chapters in books, and he is the co-editor of the Routledge Encyclopedia of Language Teaching and Learning (Routledge, 2001).