Article
Genetic and environmental influences on the relationship between aggression and hyperactivity-impulsivity as rated by teachers and parents.
Twin research : the official journal of the International Society for Twin Studies - 1 Jun 2004
Vierikko Elina, Pulkkinen Lea, Kaprio Jaakko, Rose Richard J
Abstract excerpt
This study examined genetic and environmental contributions to the covariance between aggression and hyperactivity-impulsivity as rated by twins' teachers and parents. Sex-differences in these genetic and environmental contributions and rater bias/sibling interaction effects were of interest as well. Part of an ongoing nation-wide twin-family study of behavioral development and health habits, the sample consisted...
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