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- Title
Genetic and environmental mediation of the prediction from preschool language and nonverbal ability to 7-year reading.
- Authors
Hayiou‐Thomas, Marianna E.; Harlaar, Nicole; Dale, Philip S.; Plomin, Robert
- Abstract
We use a genetically sensitive design to examine the relationship between language and nonverbal ability at 4½ and reading skills at 7 years of age in a sample of more than 1,000 children participating in the Twins Early Development Study. We find that nonphonological as well as phonological measures of early language make significant contributions towards the prediction of reading at 7, and that nonverbal ability at 4½ is an equally strong predictor. With respect to aetiology, we find substantial genetic contributions towards the relationship between early language skills and reading at 7, as well as a trend towards shared environmental influences. The genetic continuity is not specific to the verbal domain, however, as we also find a substantial genetic relationship between nonverbal ability at 4½ and reading at 7.
- Subjects
GENETICS; ENVIRONMENTAL mediation; PRESCHOOL children; NON-Verbal Ability Tests; COGNITIVE testing; READING ability testing; PHONOLOGY
- Publication
Journal of Research in Reading, 2006, Vol 29, Issue 1, p50
- ISSN
0141-0423
- Publication type
Article
- DOI
10.1111/j.1467-9817.2006.00292.x