Theories in Second Language Acquisition: An Introduction (Third Edition) offers a clear and accessible overview of the major theoretical perspectives that explain how second languages are learned. Edited by Bill VanPatten, Gregory D. Keating, and Stefanie Wulff, the book presents key theories—such as input processing, usage-based approaches, sociocultural theory, and generative perspectives—in a balanced and reader-friendly way. It is ideal for undergraduate and graduate students, teachers, and researchers who want a solid foundation in second language acquisition theory.
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