Methodology and Design. In this second edition of the best-selling Second Language Research, Alison Mackey and Sue Gass continue to guide students step-by-step through conducting the second language research process with a clear and comprehensive overview of the core issues in second language research. Supported by a wealth of data examples from actual studies, the book examines questions of what is meant by research and what defines good research questions, covering such topics as basic research principles and data collection methods, designing a quantitative research study, and concluding and reporting research findings. The second edition