Study abroad research has become an established area of inquiry with theoretical impact and methodological sophistication. The field has incorporated the different approaches and methodological changes that have characterized SLA scholarship, including technological advances and new designs. The present volume contributes an update on and a systematic critical appraisal of the methods employed in study abroad research to identify strengths and weaknesses and to look ahead and point towards new directions. The volume is organized around different areas -approaches, instruments, linguistic levels, and learners and their context-, each one including a number of chapters authored by outstanding experts in the field.