This handbook investigates the multifaceted processes, cognitive mechanisms, and social factors that govern how individuals acquire a second language. Susan M. Gass, a prominent scholar in the field of applied linguistics, compiles contributions from leading researchers to synthesize current empirical findings. The text provides a comprehensive framework for understanding the intersection of psycholinguistics, sociolinguistics, and pedagogical practice in language acquisition research.

Experts and academics recognize this volume as a foundational reference for graduate-level study in applied linguistics. Readers frequently note the high density of the prose and the rigorous academic standard maintained throughout the chapters.