A video clip from the 1980s of Stephen Krashen describing his second language acquisition theories.
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The WIDA Early Years Guiding Principles of Language Development is a brief document from WIDA outlining 10 guiding principles of language development that serve as the cornerstone of their English language development standards.
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In this document, author W. E. Wright draws on theories of second language acquisition to describe how he learned Khmer (Cambodian) as his second language.
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