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The structure of language abilities at 4 years: a twin study.

Abstract:

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 well as a general Nonverbal (NV) factor. Moderate genetic influence was found for both L and NV abilities. Bivariate genetic analysis estimated a genetic correlation of .63 between L and NV abilities,...

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Publication status:
Published

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Publisher copy:
10.1037//0012-1649.38.5.749

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Journal:
Developmental psychology
Volume:
38
Issue:
5
Pages:
749-757
Publication date:
2002-09-05
DOI:
EISSN:
1939-0599
ISSN:
0012-1649
URN:
uuid:eb8fad42-d324-4340-a061-fbbbf02931a4
Source identifiers:
15202
Local pid:
pubs:15202

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