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Writing and reading skills as assessed by teachers in 7-year olds: A behavioral genetic approach
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posted on 2023-06-08, 14:32 authored by Bonamy R Oliver, Philip S Dale, Robert PlominA behavioral genetic analysis of general writing ability was conducted using teacher assessments based on UK National Curriculum criteria for a sample of 3296 same-sex pairs of 7-year-old twins. Writing was highly heritable within the normal range (0.66) and at the low extreme (0.70). Environmental influences were almost all non-shared, with shared environmental estimates negligible (0.07 normal range, 0.06 low extreme). Bivariate genetic analyses of teacher assessments of writing and reading indicated that 69% of the genetic influences on writing were in common with those on reading, and that the two skills shared all of their shared environmental influences. In contrast, non-shared environmental factors are largely specific, with 86% independent of those on reading.
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Publication status
- Published
Journal
Cognitive DevelopmentISSN
0885-2014Publisher
ElsevierExternal DOI
Issue
1Volume
22Page range
77-95Department affiliated with
- Psychology Publications
Full text available
- No
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- Yes
Legacy Posted Date
2013-03-05Usage metrics
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