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Van Hulle, C. A.; Lemery-Chalfant, K.; Goldsmith, H. H. – Journal of Child Psychology and Psychiatry, 2007
Background: Relatively little is known about the genetic architecture of childhood behavioral disorders in very young children. Method: In this study, parents completed the Infant-Toddler Social and Emotional Assessment, a questionnaire that assesses symptoms of childhood disorders, as well as socio-emotional competencies, for 822 twin pairs…
Descriptors: Twins, Behavior Disorders, Toddlers, Infants