Tracy Dale (David) Terrell (June 23, 1943 – December 2, 1991) was an American professor, linguist and education theorist who wrote "The Natural Approach" along with Stephen Krashen. The Natural Approach is a way of teaching language, or methodology. In this methodology, learners should be exposed to a lot of language. The approach also says that lowering effective or emotional barriers to learning is important. He published textbooks for college level languages. Dos Mundos Spanish, Deux Monde French, and Kontakte German based on Natural Approach theory.
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