"This book accomplishes something quite unique, in providing a background knowledge and understanding of research methodologies used in studies of bilingualism and multilingualism." (Journal of Sociolinguistics, April 2009)

"Provides a comprehensive overview of research methods on bilingualism. The overview of each research method is very brief and clear." (Studies in Second Language Acquisition, 2009)

“An intellectually rich, comprehensive, lucid introduction to conceptualizing, developing, conducting and dispersing the results of research on bilingual individuals and populations. The editors have, brilliantly, enlisted researchers known for their work in the areas they have been asked to cover, so that both details and structure are fully thought-through and au courant.” Loraine K. Obler, City University of New York 

“Students and more experienced researchers alike will find this volume invaluable in providing exactly what they need. Edited by two experienced and respected practitioners, the Guide focuses on details of method and procedure, as well as outlining major issues in the field and providing useful (and useable) models for research projects.” Lesley Milroy, University of Michigan and University of Oxford 

“This is a highly innovative book - of great value to everybody who wants to do research on bilingualism, in whatever methodological framework. Comprehensive, always to the point, and full of good ideas. If you have a research question about bilingualism, this book will show you how to answer it.” Peter Auer, University of Frieburg