The structure of language abilities at 4 years: a twin study.
Normal language development was studied in 310 pairs of 4-year-old twins born in the United Kingdom in 1994. Twins were assessed individually in their homes on a diverse battery of language and nonverbal measures. Rotated factor analyses indicated the presence of a general Language factor (L) as wel...
| Main Authors: | , , , , , , , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
2002
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