What is a Critical Period for Second or Foreign Language Acquisition?

Based on the results of two studies, there is a critical period to learn a second language in order to speak like a native speaker, from infancy to age 15. However, for grammar and syntax, the frequency of using the second language plays a more important role than the age at which one starts to learn.

Created on November 21 2015 at 08: 00 AM

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1: "Age Constraints On Second-Language Acquisition," Journal Of Memory And Language, 1999, by JE Flege, GH Yeni-Komshian, S Liu. (Citations: 795).

This study evaluated the critical period hypothesis for second language (L2) acquisition. The participants were 240 native speakers of Korean who differed according to age of arrival (AOA) in the United States (1 to 23 years), but were all experienced in English (mean ...


1: "Factors Affecting Strength Of Perceived Foreign Accent In A Second Language," he Journal of the Acoustical Society of America, 1995, by JE Flege, MJ Munro, IRA MacKay. (Citations: 676).

This study assessed the relation between nonnative subjects' age of learning (AOL) English and the overall degree of perceived foreign accent in their production of English sentences. The 240 native Italian (NI) subjects examined had begun learning English in ...

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What is a Critical Period for Second or Foreign Language Acquisition?

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