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Direct linkOliver, Bonamy; Harlaar, Nicole; Hayiou Thomas, Marianna E.; Kovas, Yulia; Walker, Sheila O.; Petrill, Stephen A.; Spinath, Frank M.; Dale, Philip S.; Plomin, Robert – Journal of Educational Psychology, 2004
The authors investigated the etiology of low mathematics performance in 7-year-olds in the context of normal variation. The lowest 15% were selected from a representative U.K. sample of 2,178 same-sex twin pairs rated by their teachers according to National Curriculum criteria in 3 domains of mathematics. Model-fitting analyses of mathematics…
Descriptors: Foreign Countries, Heredity, Environmental Influences, Elementary School Students
