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Taylor, Lauren J.; Eggleston, Matthew J. F.; Thabrew, Hiran; van der Meer, Larah; Waddington, Hannah; Whitehouse, Andrew J. O.; Evans, Kiah – Autism: The International Journal of Research and Practice, 2021
Recent studies of autism diagnosis in New Zealand have revealed inconsistent implementation of best practice standards in autism assessment and high rates of parental dissatisfaction with the diagnostic process. These findings have arisen despite the development and dissemination of the New Zealand Autism Spectrum Disorder Guideline (the…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Clinical Diagnosis
Myers, Carl L.; Gross, Amber D.; McReynolds, Brandy M. – Journal of Autism and Developmental Disorders, 2014
In order to start providing important early intervention services to preschoolers and toddlers with autism, those children first need to be identified. Despite the availability of specialized autism assessment instruments, there is a need for effective screeners at the early childhood level. Three broadband behavior rating scales were evaluated in…
Descriptors: Autism, Pervasive Developmental Disorders, Behavior Rating Scales, Preschool Children
Leung, Rachel C.; Zakzanis, Konstantine K. – Journal of Autism and Developmental Disorders, 2014
Impairments in cognitive flexibility have been used to characterize the neuropsychological presentation of persons with autism spectrum disorders (ASDs). Previous studies have yielded mixed results. Our objective was to systematically review the sensitivity of cognitive flexibility measures in ASD using quantitative methods employed by…
Descriptors: Cognitive Ability, Autism, Pervasive Developmental Disorders, Neurological Impairments
Strain, Phillip S. – Grantee Submission, 2017
This article reports on a 4-year follow-up study from the Learning Experiences and Alternative Program for Preschoolers and Their Parents (LEAP) randomized trial of early intervention for young children with autism. Overall, participants from LEAP classes were marginally superior to comparison class children on elementary school outcomes specific…
Descriptors: Pervasive Developmental Disorders, Autism, Rating Scales, Behavior Rating Scales
Peer reviewedEaves, Ronald C.; Campbell, Hollie A.; Chambers, DaLee – Psychology in the Schools, 2000
Investigates validity of the Autism Behavior Checklist (ABC) measuring characteristics of individuals with autism, and the Pervasive Developmental Disorder Rating Scale (PDDRS) measuring pervasive developmental disorders. Results showed both instruments significantly discriminated between participants with autistic disorder and children with…
Descriptors: Behavior Rating Scales, Disability Identification, Elementary Education, Elementary School Students
Peer reviewedGoldstein, Sam – Journal of Autism and Developmental Disorders, 2002
The reliability, validity, and clinical utility of the Asperger Syndrome Diagnostic Scale in the diagnosis of pervasive developmental disorders are reviewed. While the measure holds promise as a research tool, there appears little evidence that it can distinguish among the variety of types of pervasive developmental disorders, or diagnose Asperger…
Descriptors: Asperger Syndrome, Autism, Behavior Rating Scales, Classification

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