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Peer reviewedHudziak, James J.; Derks, Eske M.; Althoff, Robert R.; Copeland, William; Boomsma, Dorret I. – Journal of the American Academy of Child and Adolescent Psychiatry, 2005
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…
Descriptors: Foreign Countries, Psychiatry, Twins, Mothers
