Natural Order Hypothesis
See also: Order of acquisitionThe natural order hypothesis states that all learners acquire a language in roughly the same order. This order is not dependent on the ease with which a particular language feature can be taught; some features, such as third-person "-s" ("he runs") are easy to teach in a classroom setting, but are not typically acquired until the later stages of language acquisition. This hypothesis was based on the morpheme studies by Dulay and Burt, which found that certain morphemes were predictably learned before others during the course of second-language acquisition.
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