Genetic Factors in the Ontogeny of Spoken Language: Evidence from Monozygotic and Dizygotic Twins.

Locke, John L.; Mather, Patricia L.

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Peer reviewed

ERIC Number: EJ399204

Record Type: CIJE

Publication Date: 1989

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Genetic Factors in the Ontogeny of Spoken Language: Evidence from Monozygotic and Dizygotic Twins.

Locke, John L.; Mather, Patricia L.

Journal of Child Language, v16 n3 p553-59 Oct 1989

Analysis of speech samples from four-year-old monozygotic and dizygotic twins revealed that the monozygotic twins were significantly more likely to misproduce the same sound on an articulation test than were dizygotic twins. The dizygotic twins were no more likely to share errors than were children who were both genetically and environmentally unrelated. (20 references) (Author/CB)

Descriptors: Articulation (Speech), Child Language, Error Analysis (Language), Genetics, Language Acquisition, Linguistic Theory, Oral Language, Speech Tests, Twins

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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