This book is the first hands-on roadmap for conducting rigorous experimental research on second language speech processing and spoken word recognition.Isabelle Darcy expertly defines key concepts and offers a detailed step-by-step guide to designing empirical psycholinguistic research in this complex, interdisciplinary area. The book covers the following: setting up an efficient workflow to enhance reproducibility of findings; determining a methodology; selecting experimental controls and designing stimuli; collecting data using an array of methodological tools; addressing common challenges; preparing and analyzing data; preregistering the study; and sharing data transparently in accordance with Open Science practices. Darcy provides everything needed to design and carry out robust behavioral studies on L2 speech processing, in a laboratory or online.This book will be an invaluable practical resource for researchers and advanced students in second language speech learning, second language acquisition, psycholinguistics, cognitive science, and language teaching, as well as those interested in applied linguistics, pronunciation, and related subjects.