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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
Gender Differences in Symptoms of Autism Spectrum Disorders in Toddlers
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Sipes, Megan; Matson, Johnny L.; Worley, Julie A.; Kozlowski, Alison M. – Research in Autism Spectrum Disorders, 2011
Gender differences in symptoms representing the triad of impairments of Autism Spectrum Disorders remain unclear. To date, the majority of research conducted on this topic has utilized samples of older children. Thus, the purpose of the current study was to utilize a sample of toddlers to investigate gender differences in symptom endorsements of…
Descriptors: Autism, Symptoms (Individual Disorders), Toddlers, Gender Differences
A Multinational Study Examining the Cross Cultural Differences in Reported Symptoms of Autism Spectrum Disorders: Israel, South Korea, the United Kingdom, and the United States of America
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Matson, Johnny L.; Worley, Julie A.; Fodstad, Jill C.; Chung, Kyong-Mee; Suh, Dongsoo; Jhin, Hea Kyung; Ben-Itzchak, Esther; Zachor, Ditza A.; Furniss, Frederick – Research in Autism Spectrum Disorders, 2011
Purportedly, there is a worldwide acceptance of diagnostic criteria for Autism Spectrum Disorders (ASD); however, cultural differences in regards to what is considered normal development may affect the diagnosis despite the biological basis for the condition. The aim of the current study was to examine the differences in reports of symptoms of ASD…
Descriptors: Verbal Communication, Nonverbal Communication, Autism, Cultural Differences