A twin study of the genetics of high cognitive ability selected from 11,000 twin pairs in six studies from four countries

Claire M.A. Haworth, Margaret J. Wright, Nicolas W. Martin, Nicholas G. Martin, Dorret I. Boomsma, Meike Bartels, Danielle Posthuma, Oliver S.P. Davis, Angela M. Brant, Robin P. Corley, John K. Hewitt, William G. Iacono, Matthew McGue, Lee A. Thompson, Sara A. Hart, Stephen A. Petrill, David Lubinski, Robert Plomin