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Test of Alternative Hypotheses Explaining the Comorbidity between Attention-Deficit/Hyperactivity Disorder and Conduct Disorder
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Rhee, Soo Hyun; Willcutt, Erik G.; Hartman, Christie A.; Pennington, Bruce F.; DeFries, John C. – Journal of Abnormal Child Psychology, 2008
There is significant comorbidity between attention-deficit/hyperactivity disorder (ADHD) and conduct disorder (CD). The conclusions of studies that examined the causes of comorbidity between ADHD and CD conflict, with some researchers finding support for the three independent disorders model and others finding support for the correlated risk…
Descriptors: Attention Deficit Disorders, Hyperactivity, Twins, Risk