This book offers a lively introduction to the research methods and techniques available to English language teachers who wish to investigate aspects of their own practice‎.‎ It covers qualitative and quantitative methodology and includes sections on observation‎,‎ introspection‎,‎ diary studies‎,‎ experiments‎,‎ interviews‎,‎ questionnaires‎,‎ numerical techniques and case study research‎.‎ Each method is illustrated with examples in language teaching contexts‎,‎ and techniques of data collection and analysis are introduced‎.‎The authors focus particularly on research in the classroom‎,‎ on tests‎,‎ materials‎,‎ the effects of innovations‎,‎ and they discuss methods appropriate to research in various collaborative modes as well as by individuals‎.‎ A key feature of the book is an introduction to the debate surrounding different approaches to research‎,‎ with an evaluation of traditional research in relation to the paradigms associated with reflective practice and action research‎.‎ The book is ideal for teachers on initial training and post‎-experience courses‎,‎ students on degree programs in applied linguistics and TEFL and‎,‎ of course‎,‎ practicing teachers with an interest in research methods in language teaching‎.‎