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Factors Associated with Restricted, Repetitive Behaviors and Interests and Diagnostic Severity Level Ratings in Young Children with Autism Spectrum Disorder
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Hong, Esther; Matson, Johnny L. – Journal of Autism and Developmental Disorders, 2021
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by restricted, repetitive patterns of behavior and interests (RRBIs). With the latest update to the Diagnostic and Statistical Manual of Mental Disorders, a severity level rating is assigned to the two core features of ASD (American Psychiatric Association in Diagnostic…
Descriptors: Repetition, Adjustment (to Environment), Behavior Patterns, Interests
Assessment of the Relationship between Diagnoses of ASD and Caregiver Symptom Endorsement in Adults Diagnosed with Intellectual Disability
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Matson, Johnny L.; Hess, Julie A.; Mahan, Sara; Fodstad, Jill C.; Neal, Daniene – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Individuals diagnosed with an intellectual disability (ID) share overlapping traits with those diagnosed with both ID and an Autism Spectrum Disorder (ASD). Therefore, the purpose of this study was to determine if caregivers' reports of symptoms of ASD are of value (i.e., when comparing them to clinical diagnoses of ASD) and to determine which…
Descriptors: Autism, Caregivers, Mental Retardation, Correlation
Validity of the Autism Spectrum Disorder Observation for Children (ASD-OC)
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Neal, Daniene; Matson, Johnny L.; Hattier, Megan A. – Journal of Mental Health Research in Intellectual Disabilities, 2014
The Autism Spectrum Disorder Observation for Children (ASD-OC) is a 45-item observation scale used to assess autistic symptomatology. The reliability of this measure has been established in previous research; therefore, the purpose of this study is to evaluate its validity among a sample of children (1-15 years). The large correlation between the…
Descriptors: Test Validity, Observation, Children, Pervasive Developmental Disorders
The Effects of Developmental Quotient and Diagnostic Criteria on Challenging Behaviors in Toddlers with Developmental Disabilities
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Medeiros, Kristen; Kozlowski, Alison M.; Beighley, Jennifer S.; Rojahn, Johannes; Matson, Johnny L. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
Previous research has found that individuals with intellectual disability and/or autism spectrum disorder (ASD), and those with greater symptom severity within these diagnoses, show higher rates of aggressive/destructive behavior, stereotypic behavior, and self-injurious behavior. In this exploratory cross-sectional study, toddlers at-risk for a…
Descriptors: Early Intervention, Mental Retardation, Autism, Mental Health Workers
A Functional Assessment of Handmouthing among Persons with Severe and Profound Intellectual Disability
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Swender, Stephen L.; Matson, Johnny L.; Mayville, Stephen B.; Gonzalez, Melissa L.; McDowell, Donald – Journal of Intellectual and Developmental Disability, 2006
Background: The behavioural function of handmouthing has been assessed across various studies utilising analogue functional analyses. The aim of the current study was to expand upon research on this relatively understudied behaviour by examining the relationship between handmouthing and "Gastro-Esophageal Reflux Disorder" (GERD), and the potential…
Descriptors: Behavior Disorders, Self Destructive Behavior, Severe Mental Retardation, Functional Behavioral Assessment
A Comparison of the Diagnostic Assessment for the Severely Handicapped-II (DASH-II) and the Aberrant Behavior Checklist (ABC).
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Paclawskyj, Theodosia R.; Matson, Johnny L.; Bamburg, Jerald W.; Baglio, Christopher S. – Research in Developmental Disabilities, 1997
A study of 233 individuals with severe mental retardation examined the validity of the Diagnostic Assessment for the Severely Handicapped-II (DASH-II) through correlation with the Aberrant Behavior Checklist (ABC). DASH-II as a whole was found to have a high degree of convergent validity with the ABC total score. (CR)
Descriptors: Behavior Disorders, Clinical Diagnosis, Correlation, Disability Identification