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Luo, Yu L. L.; Kovas, Yulia; Haworth, Claire M. A.; Plomin, Robert – Learning and Individual Differences, 2011
The genetic and environmental origins of individual differences in mathematical self-evaluation over time and its association with later mathematics achievement were investigated in a UK sample of 2138 twin pairs at ages 9 and 12. Self-evaluation indexed how good children think they are at mathematical activities and how much they like those…
Descriptors: National Curriculum, Twins, Mathematics Achievement, Etiology
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Kovas, Yulia; Haworth, Claire M. A.; Petrill, Stephen A.; Plomin, Robert – Journal of Learning Disabilities, 2007
The genetic and environmental etiologies of 3 aspects of low mathematical performance (math disability) and the full range of variability (math ability) were compared for boys and girls in a sample of 5,348 children age 10 years (members of 2,674 pairs of same-sex and opposite-sex twins) from the United Kingdom (UK). The measures, which we…
Descriptors: National Curriculum, Nature Nurture Controversy, Genetics, Etiology