“…Such findings are consistent with the fairly high rates of comorbidity across internalizing and externalizing diagnoses in youth (Costello, Mustillo, Erkanli, Keeler, & Angold, 2003; Merikangas et al, 2010; Mueller, Stalk, & Orimoto, 2011). In both clinic and community samples, youth who meet criteria for the diagnosis of a disruptive behavior disorder also meet criteria for a depressive or anxiety disorder diagnosis in 20% to 50% of cases (Cunningham & Ollendick, 2010; Wolff & Ollendick, 2012).…”