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Kovas, Y.; Petrill, S. A.; Plomin, R. – Journal of Educational Psychology, 2007
The authors assessed 2,502 ten-year-old children, members of 1,251 pairs of twins, on a Web-based battery of problems from 5 diverse aspects of mathematics assessed as part of the U.K. national curriculum. This 1st genetic study into the etiology of variation in different domains of mathematics showed that the heritability estimates were moderate…
Descriptors: Etiology, National Curriculum, Genetics, Twins
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Singer, Jamie J.; MacGregor, Alex J.; Cherkas, Lynn F.; Spector, Tim D. – Intelligence, 2006
The genetic relationship between intelligence and components of cognition remains controversial. Conflicting results may be a function of the limited number of methods used in experimental evaluation. The current study is the first to use CANTAB (The Cambridge Neuropsychological Test Automated Battery). This is a battery of validated computerised…
Descriptors: Memory, Intelligence Tests, Genetics, Neuropsychology