This course reviews the field of second language acquisition (SLA) in order to provide students with an understanding of the way in which second languages are learned and acquired. The course will survey various theories of second language acquisition. The course will also examine the impact of internal and external variables on second language acquisition and development. Some topics include: the role of learning environment for language acquisition, explanations for different success among second language learners, variations in second language use, and the effect of classroom instruction in second language acquisition.