Article
The genetic and environmental contributions to oppositional defiant behavior: a multi-informant twin study.
Journal of the American Academy of Child and Adolescent Psychiatry - 1 Sept 2005
Hudziak James J, Derks Eske M, Althoff Robert R, Copeland William, Boomsma Dorret I
Abstract excerpt
OBJECTIVE: To estimate the genetic and environmental contributions to oppositional defiant behavior (ODB) from mother, father, and teacher report using the Conners Revised Short Forms in a large twin sample. METHOD: ODB data were collected from 1,595 mothers, 1,114 fathers, and 793 teachers of 7-year-old twin pairs from the Netherlands Twin Registry in the 1990-1992 cohort with an 80% response rate. Models were...
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