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| Bishop, Dorothy V. M. | 1 |
| Dale, Philip S. | 1 |
| Plomin, Robert | 1 |
| Price, Thomas S. | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedBishop, Dorothy V. M.; Price, Thomas S.; Dale, Philip S.; Plomin, Robert – Journal of Speech, Language, and Hearing Research, 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…
Descriptors: Child Development, Early Childhood Education, Early Identification, Early Intervention
