Caretakers were interviewed about all 6-17 year olds and 9-17 year olds were directly interviewed separately using the Child and Adolescent Psychopathology Scale (CAPS).2 All participants are administered the same items addressing ADHD, ODD, CD, MDD, GAD, separation anxiety disorder (SAD), agoraphobia, social phobia, specific phobia, and obsessive-compulsive disorder (OCD) symptoms. The GAD symptom of difficulty controlling worrying was judged to be too difficult for respondents to report and was not included. CAPS items covering DSM-IV symptoms are based on the “stem questions” of the Diagnostic Interview Schedule for Children (DISC-IV).18 Rather than asking DISC “contingent questions” to address frequency, duration, and severity, respondents are asked to think about how well each stem question describes the youth's emotion or behavior, how often it occurred, and how serious it was during the last 12 months using a four-point response scale: “1. Not at all, 2. Just a little, 3. Pretty much, 4. Very much.” Like the DISC, multiple items addressing different aspects of compound symptoms were combined by taking the highest score of the combined items. Consistent with DSM-IV, 9 of
