Chamorro-Premuzic, Tomas; Harlaar, Nicole; Greven, Corina U. and Plomin, Robert. 2010. More than just IQ: A longitudinal examination of self-perceived abilities as predictors of academic performance in a large sample of UK twins. Intelligence, 38(4), pp. 385-392. ISSN 01602896 [Article]

Haworth, C.; Kovas, Yulia; Harlaar, Nicole; Hayiou-Thomas, Marianna E.; Petrill, S.; Dale, Philip S. and Plomin, Robert. 2009. Generalist genes and learning disabilities: a multivariate genetic analysis of low performance in reading, mathematics, language and general cognitive ability in a sample of 8000 12-year-old twins. Journal of Child Psychology and Psychiatry, 50(10), pp. 1318-1325. ISSN 0021-9630 [Article]

Davis, O. S. P.; Kovas, Yulia; Harlaar, Nicole; Busfield, P.; McMillan, A.; Frances, J.; Petrill, Stephen A.; Dale, Philip S. and Plomin, Robert. 2008. Generalist genes and the Internet generation: etiology of learning abilities by web testing at age 10. Genes, Brain and Behavior, 7(4), pp. 455-462. ISSN 16011848 [Article]

Kovas, Yulia; Haworth, C. M. A.; Harlaar, Nicole; Petrill, Stephen A. and Plomin, Robert. 2007. The origins of individual differences in mathematical ability. Behavior Genetics, 37(6), pp. 768-769. ISSN 0001-8244 [Article]

Haworth, Claire M A; Harlaar, Nicole; Kovas, Yulia; Davis, Oliver S P; Oliver, Bonamy R; Hayiou-Thomas, Marianna E; Frances, Jane; Busfield, Patricia; McMillan, Andrew; Dale, Philip S and Plomin, Robert. 2007. Internet cognitive testing of large samples needed in genetic research. Twin research and human genetics, 10(4), pp. 554-63. ISSN 1832-4274 [Article]

Kovas, Yulia; Butcher, L. M.; Harlaar, Nicole and Plomin, Robert. 2006. How general are genes for general cognitive ability? SNP- SET analyses. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, 141B(7), p. 703. ISSN 1552-4841 [Article]

Kovas, Yulia; Harlaar, Nicole; Petrill, Stephen A. and Plomin, Robert. 2005. Generalist genes and mathematics. American Journal of Medical Genetics Part B: Neuropsychiatric Genetics, 138B(1), p. 18. ISSN 1552-4841 [Article]

Kovas, Yulia; Harlaar, Nicole; Petrill, Stephen A. and Plomin, Robert. 2004. Mathematics, reading and IQ: A multivariate genetic analysis in 7-year-old twins. Behavior Genetics, 34(6), p. 646. ISSN 0001-8244 [Article]

Oliver, Bonamy R; Harlaar, Nicole; Hayiou-Thomas, Marianna E.; Kovas, Yulia; Walker, S.; Petrill, S.; Spinath, F.; Dale, Philip S. and Plomin, Robert. 2004. A Twin Study of Teacher-Reported Mathematics Performance and Low Performance in 7-Year-Olds. Journal of Educational Psychology, 96(3), pp. 504-517. ISSN 0022-0663 [Article]