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de Bruin, Esther I.; de Nijs, Pieter F. A.; Verheij, Fop; Hartman, Catharina A.; Ferdinand, Robert F. – Journal of Autism and Developmental Disorders, 2007
The objective of this study was to identify behavioral differences between children with multiple complex developmental disorder (MCDD) and those with pervasive developmental disorder-not otherwise specified (PDD-NOS). Twenty-five children (6-12 years) with MCDD and 86 children with PDD-NOS were compared with respect to psychiatric co-morbidity,…
Descriptors: Pervasive Developmental Disorders, Children, Child Behavior, Anxiety
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Ferdinand, Robert F.; Visser, Jeroen Heijmens; Hoogerheide, Kirsten N.; van der Ende, Jan; Kasius, Marianne C.; Koot, Hans M.; Verhulst, Frank C. – Journal of Child Psychology and Psychiatry, 2004
Objective: To compare the predictive validity of the clinical-diagnostic and the empirical-quantitative approach to assessment of childhood psychopathology, and to investigate the usefulness of combining both approaches. Method: A referred sample (N = 96), aged 6 to 12 years at initial assessment, was followed up across--on average--a period of…
Descriptors: Delinquency, Attention Deficit Hyperactivity Disorder, Behavior Disorders, Predictive Validity