Abstract
AbstractThe accurate assessment of children with developmental disabilities is very challenging. This is particularly true when clinicians must differentiate pervasive developmental disorder (PDD) from mentally retarded (MR) children, and among the various types of PDD syndromes. This study was conducted to evaluate the usefulness of a multidimensional, parent‐informant child behavior rating scale—the Personality Inventory for Children (PIC)—in the discrimination of children who met DSM‐III diagnostic criteria for infantile autism (IA), child‐onset PDD (COPDD), or MR. These three samples differed significantly across 10 of 16 PIC profile scales. Discriminant function analyses with the PIC scales indicated correct classification of over 90% of the cases from the IA, COPDD, and MR samples. These findings suggest that the PIC may be a valuable aid in the psychiatric evaluation of children with severe developmental disorders. Implications of these results regarding the external validity of DSM‐III PDD diagnoses are also discussed.
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