Outcomes of early language delay: I. Predicting persistent and transient language difficulties at 3 and 4 years.
Parent-based assessments of vocabulary, grammar, nonverbal ability, and use of language to refer to post and future (displaced reference) were obtained for 8,386 twin children at 2 years of age. Children with 2 year vocabulary scores below the 10th centile were designated the early language delay (E...
| Main Authors: | , , , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
2003
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