Outcomes of Early Language Delay: II. Etiology of Transient and Persistent Language Difficulties.

Bishop, Dorothy V. M.; Price, Thomas S.; Dale, Philip S.; Plomin, Robert

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Peer reviewed

ERIC Number: EJ671497

Record Type: CIJE

Publication Date: 2003

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ISSN: ISSN-1092-4388

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Outcomes of Early Language Delay: II. Etiology of Transient and Persistent Language Difficulties.

Bishop, Dorothy V. M.; Price, Thomas S.; Dale, Philip S.; Plomin, Robert

Journal of Speech, Language, and Hearing Research, v46 n3 p561-75 Jun 2003

A study involving 356 twin pairs with early language delay found environmental influences shared by both twins were more substantial than genetic factors. Heritability was significantly higher in those with persisting difficulties but only when assessed in terms of parental concern at 3 years or professional involvement at 4 years. (Contains references.) (CR)

Descriptors: Child Development, Early Childhood Education, Early Identification, Early Intervention, Environmental Influences, Genetics, Grammar, Heredity, Language Acquisition, Language Impairments, Longitudinal Studies, Predictor Variables, Toddlers, Twins, Vocabulary Development

Publication Type: Journal Articles; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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