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The Behavior Problems Inventory: Reliability and Factor Validity in Institutionalized Adults with Intellectual Disabilities
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Gonzalez, Melissa L.; Dixon, Dennis R.; Rojahn, Johannes; Esbensen, Anna J.; Matson, Johnny L.; Terlonge, Cindy; Smith, Kimberly R. – Journal of Applied Research in Intellectual Disabilities, 2009
Background: The aim of this study was to reevaluate the reliability (internal consistency, inter-rater and re-test) and the factor structure of the Behavior Problems Inventory (BPI-01) with adults with intellectual disabilities who resided in a state-run developmental centre. Methods: BPI-01 was administered to informants who had known…
Descriptors: Behavior Problems, Self Destructive Behavior, Mental Retardation, Test Reliability
Validity of the Autism Spectrum Disorder-Comorbid for Children (ASD-CC)
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Matson, Johnny L.; LoVullo, Santino V.; Rivet, Tessa T.; Boisjoli, Jessica A. – Research in Autism Spectrum Disorders, 2009
A limited number of studies currently exist focusing on comorbid psychopathology of children with autism spectrum disorders (ASDs). Due to the heterogeneity of ASD symptoms, communication deficits, and impairments in intellectual functioning, assessing symptoms of psychopathology is complicated. The "Autism Spectrum Disorders-Comorbidity for…
Descriptors: Autism, Construct Validity, Test Validity, Factor Structure
Reliability of the Autism Spectrum Disorder-Behavior Problems for Children (ASD-BPC)
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Matson, Johnny L.; Gonzalez, Melissa L.; Rivet, Tessa T. – Research in Autism Spectrum Disorders, 2008
A considerable amount of attention has occurred with respect to the diagnosis and treatment of Autism Spectrum Disorders (ASDs) of children and youth. Furthermore, the rationale for using the most restrictive of the applied behavior analysis methods and medication has been largely based on the presence of severe challenging behaviors such as…
Descriptors: Behavior Problems, Autism, Asperger Syndrome, Factor Structure
Autism Spectrum Disorders in Adults with Intellectual Disability and Comorbid Psychopathology: Scale Development and Reliability of the ASD-CA
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Matson, Johnny L.; Boisjoli, Jessica A. – Research in Autism Spectrum Disorders, 2008
Researchers and clinicians have generally agreed that persons with autism spectrum disorders (ASD) are susceptible to other DSM Axis I disorders. However, to date, little has been done to establish the specific disorders, their rate and severity of occurrence, and their interrelationship with ASD symptoms. One reason for the lack of research has…
Descriptors: Autism, Factor Structure, Psychopathology, Measures (Individuals)