This book investigates the methodological and design considerations crucial for conducting rigorous research in second language acquisition. Alison Mackey, a prominent figure in the field, draws upon her extensive experience to guide researchers through the complexities of designing and executing studies that yield meaningful insights into how individuals learn new languages. The work addresses the challenges inherent in second language research, emphasizing the need for robust methodologies to ensure the validity and reliability of findings.

This text is recognized as a foundational resource for graduate students and researchers entering the field of second language acquisition. Its comprehensive coverage of research methodologies and design principles provides a solid framework for developing sound research projects. The book is valued for its practical advice and its ability to demystify the research process, making it an indispensable tool for anyone undertaking empirical work in SLA.