Article
Parents' and teachers' ratings of problem behaviours in children: genetic and contrast effects.
Twin research : the official journal of the International Society for Twin Studies - 1 Dec 2000
Kuntsi J, Gayán J, Stevenson J
Abstract excerpt
We obtained ratings on the Conners' scales from teachers (CTRS-28) and parents (CPRS-48) for 61 monozygotic and 64 dizygotic twin pairs, aged between 7 and 11 years. Model-fitting analyses were carried out to estimate the extent of genetic and environmental influences on problem behaviours, and to explore possible contrast effects in ratings by parents and teachers. Confirming previous findings with other...
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