Journal article
Longitudinal analysis of the genetic and environmental influences on components of cognitive delay in preschoolers
- Abstract:
-
The etiology of verbal and performance delays were investigated in a large population sample of twins at 2 and 3 years (N = 2,449 pairs). These data replicate and extend earlier analyses at 2 years (T. C. Eley et al., 1999). Several ways of defining delay were compared, selecting from the lowest 5% of the sample on both verbal (V) and performance (P) measures. V delay with or without P delay was highly heritable (.93 and .62, respectively), whereas P delay without V delay was less heritable (...
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- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Publisher copy:
- 10.1037//0022-0663.93.4.698
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Authors
Funding
Medical Research Council
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Bibliographic Details
- Publisher:
- American Psychological Association Publisher's website
- Journal:
- JOURNAL OF EDUCATIONAL PSYCHOLOGY Journal website
- Volume:
- 93
- Issue:
- 4
- Pages:
- 698-707
- Publication date:
- 2001-12-01
- DOI:
- ISSN:
-
0022-0663
- Source identifiers:
-
22770
Item Description
- Language:
- English
- Pubs id:
-
pubs:22770
- UUID:
-
uuid:f8791e61-f6d8-4a86-80d6-f2554ded12ee
- Local pid:
- pubs:22770
- Deposit date:
- 2011-08-12
Terms of use
- Copyright holder:
- American Psychological Association
- Copyright date:
- 2001
- Notes:
- Copyright 2001 American Psychological Association, all rights reserved. ORA is unable to make the full-text of this article available at this time. It may be possible to view the publisher's version of ths material from the link provided
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