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Hanscombe, Ken B.; Haworth, Claire M. A.; Davis, Oliver S. P.; Jaffee, Sara R.; Plomin, Robert – Journal of Child Psychology and Psychiatry, 2011
Background: Chaotic homes predict poor school performance. Given that it is known that genes affect both children's experience of household chaos and their school achievement, to what extent is the relationship between high levels of noise and environmental confusion in the home, and children's school performance, mediated by heritable child…
Descriptors: Twins, Academic Achievement, Genetics, Family Environment
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Walker, Sheila O.; Plomin, Robert – Educational Psychology, 2006
Although prior research has examined children's perceptions of the classroom environment as related to academic achievement, genetically sensitive designs have not been employed. In the first study of its kind for the primary school classroom environment, data were collected for 3,020 pairs of nine-year-old identical and fraternal twin pairs in…
Descriptors: Twins, Student Attitudes, Nature Nurture Controversy, Elementary School Students