Is the Genetic Influence on Trauma-Related Symptoms Evident in Children? A Classical Twin Study
Twin studies and other behavior genetics methods have shown that heritable factors contribute to trauma-related (TR) symptoms in adults. The current investigation is the first to examine the heritability of TR symptoms in children and adolescents ages 5 to 17 via a classical twin design. In Study 1, data from the normative sample of the Coolidge Personality and Neuropsychological Inventory for Children (CPNI) were analyzed to derive an internally reliable TR symptom scale able to distinguish between children with and without trauma experiences. In Study 2, scale scores from a sample of monozygotic ...
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