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Reliability of the Autism Spectrum Disorder-Diagnostic for Children (ASD-DC)
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Matson, Johnny L.; Gonzalez, Melissa L.; Wilkins, Jonathan; Rivet, Tessa T. – Research in Autism Spectrum Disorders, 2008
The reliability of a new scale to assess Autistic Disorder, Pervasive Developmental Disorder, Not Otherwise Specified (PDD-NOS), and Asperger's Disorder in children was examined. Parents or other caregivers rated symptoms of 207 children between 2 and 16 years of age. The scale, which had 40 items in the final version, correlated highly with…
Descriptors: Autism, Interrater Reliability, Criteria, Psychopathology
Development of the Psychopathology Instrument for Mentally Retarded Adults-Sexuality Scale (PIMRA-S).
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Matson, Johnny L.; Russell, Deirdre – Research in Developmental Disabilities, 1994
The Psychopathology Instrument for Mentally Retarded Adults--Sexuality Scale was developed and used to study 86 adults with mild/moderate mental retardation. Psychometric characteristics were favorable. Differences in the rate of sexually aberrant behavior are addressed as a function of living and work placement, positive history of sexual abuse,…
Descriptors: Adults, Mild Mental Retardation, Moderate Mental Retardation, Psychometrics
The Behavior Problems Inventory: An Instrument for the Assessment of Self-Injury, Stereotyped Behavior, and Aggression/Destruction in Individuals with Developmental Disabilities.
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Rojahn, Johannes; Matson, Johnny L.; Lott, Denise; Esbensen, Anna J.; Smalls, Yemonja – Journal of Autism and Developmental Disorders, 2001
The "Behavior Problems Inventory" (BPI) is a behavior rating instrument for self-injurious, stereotypic, and aggressive/destructive behavior in mental retardation and other developmental disabilities. Evaluation with 432 residents in a developmental center found the BPI to be a reliable (retest reliability, internal consistency, and…
Descriptors: Adolescents, Adults, Behavior Problems, Behavior Rating Scales
Reliability of the Assessment of Dual Diagnosis (ADD).
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Matson, Johnny L.; Bamburg, Jay W. – Research in Developmental Disabilities, 1998
The initial psychometric properties of the Assessment for Dual Diagnosis (ADD), a new scale designed to screen for psychopathology in individuals with mild and moderate mental retardation, was examined. The ADD was found to have high stability across raters, high stability over time, and good internal consistency. (Author/DB)
Descriptors: Behavior Disorders, Clinical Diagnosis, Emotional Disturbances, Mild Mental Retardation