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Belva, Brian C.; Matson, Johnny L. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
While some researchers have investigated daily living skills deficits in individuals with intellectual disability (ID) as a whole, research on specific daily living skills in a profound ID population is limited. Two hundred and four adults with profound ID residing in two large developmental centers in the southeast portion of the United States…
Descriptors: Adjustment (to Environment), Daily Living Skills, Severe Mental Retardation, Gender Differences
Matson, Johnny L.; Turygin, Nicole C. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
Self-injurious behavior is commonly observed among persons with intellectual disabilities. However, a second parallel use of this term is used in the general mental health field for self-mutilation. The authors describe these two disorders and how they differ. Characteristics of what we refer to as repetitive self-injurious behavior among persons…
Descriptors: Self Destructive Behavior, Mental Retardation, Injuries, At Risk Persons
Kozlowski, Alison M.; Matson, Johnny L.; Worley, Julie A.; Sipes, Megan; Horovitz, Max – Research in Autism Spectrum Disorders, 2012
Early diagnosis of Autism Spectrum Disorders (ASDs) is crucial so that early intervention services, which have been found to best alleviate symptoms of ASD in children, can be implemented. Currently, the "Modified Checklist for Autism in Toddlers" ("M-CHAT") and the "Baby and Infant Screen for Children with aUtIsm…
Descriptors: Check Lists, Early Intervention, Autism, Predictive Validity
Matson, Johnny L.; Horovitz, Max; Kozlowski, Alison M.; Sipes, Megan; Worley, Julie A.; Shoemaker, Mary E. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
This paper is a review of person characteristics that were present in 173 studies that were reviewed on functional assessment. The purpose was to give the reader an idea about the types of individuals for which functional assessment is appropriate and to outline persons and their characteristics which have the best research support. The majority…
Descriptors: Individual Characteristics, Functional Behavioral Assessment, Mental Retardation, Autism
Matson, Johnny L.; Fodstad, Jill C.; Dempsey, Timothy – Research in Autism Spectrum Disorders, 2009
Autism Spectrum Disorders (ASD), are characterized by adherence to routines and ritualistic behaviors. Previous research has demonstrated multiple feeding problems with children with ASD such as food selectivity. While the extent of these problem behaviors is well documented in the literature, efforts have not been made to assess these behaviors…
Descriptors: Autism, Pervasive Developmental Disorders, Eating Disorders, Behavior Disorders

Matson, Johnny L.; And Others – Mental Retardation, 1980
It was found that time-out was generally used for physical aggression in younger, brighter persons with shorter histories of institutionalization. (Author/SBH)
Descriptors: Adults, Aggression, Behavior Change, Behavior Modification

Matson, Johnny L.; And Others – Research in Developmental Disabilities, 1996
This study, involving 1,245 institutionalized adults with severe and profound mental retardation, compared individuals with and without autistic features, as assessed by the Diagnostic Assessment for the Severely Handicapped-II (DASH-II). Core and associated features of autism in this population are identified, and characteristics of persons with…
Descriptors: Adults, Autism, Clinical Diagnosis, Diagnostic Tests