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Acta Geneticae Medicae Et Gemellologiae|January 1, 1992
Confirmatory factor analysis of reading and mathematics performance: a twin studyJ J Gillis, J C DeFries, D W FulkerActa Geneticae Medicae Et Gemellologiae|January 1, 1988
Multiple regression analysis of twin data: etiology of deviant scores versus individual differencesJ C DeFries, D W FulkerBehavior Genetics|January 1, 1995
Etiology of individual differences in reading performance: a test of sex limitationM Alarcón, J C DeFries, D W FulkerNature|December 22, 1988
Genetic influence on general mental ability increases between infancy and middle childhoodD W Fulker, J C DeFries, R PlominBehavior Genetics|January 1, 1995
Multivariate genetic analysis of Wechsler Intelligence Scale for Children--Revised (WISC-R) factorsS D Casto, J C DeFries, D W FulkerBehavior Genetics|March 1, 1992
Quantitative genetic analysis of IQ development in young children: multivariate multiple regression with orthogonal polynomialsI D Waldman, J C DeFries, D W FulkerGenetic Epidemiology|January 1, 1986
Multiple regression analysis of twin data obtained from selected samplesM C LaBuda, J C DeFries, D W FulkerNature|October 8, 1987
Evidence for a genetic aetiology in reading disability of twinsJ C DeFries, D W Fulker, M C LaBudaBehavior Genetics|July 1, 1992
Multiple regression analysis of twin data: a model-fitting approachS S Cherny, J C DeFries, D W FulkerJournal of Learning Disabilities|November 1, 1993
Cognitive abilities of children at 7 and 12 years of age in the Colorado adoption projectS J Wadsworth, J C DeFries, D W FulkerPageof 14