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Direct linkKovas, Yulia; Hayiou-Thomas, Marianna E.; Oliver, Bonamy; Dale, Philip S.; Bishop, Dorothy V. M.; Plomin, Robert – Child Development, 2005
The genetic and environmental etiologies of diverse aspects of language ability and disability, including articulation, phonology, grammar, vocabulary, and verbal memory, were investigated in a U.K. sample of 787 pairs of 4.5-year-old same-sex and opposite-sex twins. Moderate genetic influence was found for all aspects of language in the normal…
Descriptors: Phonology, Language Skills, Environmental Influences, Etiology
