Article
Genetic and environmental influences on the covariation between hyperactivity and conduct disturbance in juvenile twins.
Journal of child psychology and psychiatry, and allied disciplines - 1 Oct 1996
Silberg J, Rutter M, Meyer J, Maes H, Hewitt J, Simonoff E, Pickles A, Loeber R, Eaves L
Abstract excerpt
Structural equation models were applied to the maternal ratings of 265 MZ and 163 DZ male-male, 347 MZ and 160 DZ female-female, and 262 male-female twin pairs, aged 8-16 years, who participated in the Virginia Twin Study of Adolescent Behavioral Development (VTSABD). Substantial additive genetic influences and contrast effects were found for hyperactivity, and additive genetic and shared environmental effects or...
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