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Kraijer, Dirk; de Bildt, Annelies – Journal of Autism and Developmental Disorders, 2005
The Scale of Pervasive Developmental Disorder in Mentally Retarded Persons (PDD-MRS) is described. The PDD-MRS is a simple classification and screening instrument devised for identification of autistic disorders (of the entire spectrum) in persons with mental retardation from mild to profound levels, age-range 2-55 years. The norms of the scale…
Descriptors: Pervasive Developmental Disorders, Disability Identification, Mental Retardation, Classification

Einfeld, Stewart L.; Tonge, Bruce J. – Journal of Autism and Developmental Disorders, 1995
This article describes the development and validation of the Developmental Behavior Checklist for children with emotional and behavior problems along with mental retardation. The article discusses generating and refining the checklist items, results of a principal components analysis, establishing reliability and construct and criterion validity,…
Descriptors: Behavior Development, Behavior Disorders, Behavior Rating Scales, Check Lists