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Gresham, Frank M.; Elliott, Stephen N.; Kettler, Ryan J. – Psychological Assessment, 2010
Base rate information is important in clinical assessment because one cannot know how unusual or typical a phenomenon is without first knowing its base rate in the population. This study empirically determined the base rates of social skills acquisition and performance deficits, social skills strengths, and problem behaviors using a nationally…
Descriptors: Age Differences, Behavior Disorders, Rating Scales, Interpersonal Competence
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Martel, Michelle M.; Gremillion, Monica; Roberts, Bethan; von Eye, Alexander; Nigg, Joel T. – Psychological Assessment, 2010
Attention-deficit/hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) frequently co-occur. Comorbidity of these 2 childhood disruptive behavior domains has not been satisfactorily explained at either a structural or etiological level. The current study evaluated a bifactor model, which allows for a "g" factor in addition to…
Descriptors: Attention Deficit Hyperactivity Disorder, Rating Scales, Parent Attitudes, Teacher Attitudes