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Lai, Kelly Y. C.; Yuen, Emily C. W.; Hung, Se Fong; Leung, Patrick W. L. – Journal of Autism and Developmental Disorders, 2022
This study examines the psychometric properties of the Autism Diagnostic Interview-Revised (ADI-R) in the context of DSM-5 in a sample of Chinese children. Using re-mapped ADI-R items and algorithms matched to DSM-5 criteria, and administering to children with autism spectrum disorder (ASD) with and without intellectual disability,…
Descriptors: Autism, Pervasive Developmental Disorders, Diagnostic Tests, Observation
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Medda, Juliane E.; Cholemkery, Hannah; Freitag, Christine M. – Journal of Autism and Developmental Disorders, 2019
The aim of the present study was to establish diagnostic validity of the new algorithm of the Autism Diagnostic Observation Scale, the ADOS-2, to differentiate between ASD and other clinically relevant psychiatric and developmental disorders in a large German sample. Validity of ADOS and ADOS-2 diagnostic algorithms was established in 826…
Descriptors: Autism, Diagnostic Tests, Observation, Pervasive Developmental Disorders
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Stevenson, Jennifer L.; Hart, Kari R. – Journal of Autism and Developmental Disorders, 2017
The current study systematically investigated the effects of scoring and categorization methods on the psychometric properties of the Autism-Spectrum Quotient. Four hundred and three college students completed the Autism-Spectrum Quotient at least once. Total scores on the Autism-Spectrum Quotient had acceptable internal consistency and…
Descriptors: Autism, Pervasive Developmental Disorders, Scoring, Classification
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Harrison, Ashley J.; Bradshaw, Laine P.; Naqvi, Nilofer C.; Paff, Madison L.; Campbell, Jonathan M. – Journal of Autism and Developmental Disorders, 2017
ASD knowledge deficits contribute to disparities in the timing and quality of ASD services. To address the limitations with existing measures of ASD knowledge, we developed and examined the Autism Stigma and Knowledge Questionnaire (ASK-Q), which comprehensively assesses multiple subdomains of ASD knowledge while maintaining strong psychometric…
Descriptors: Autism, Pervasive Developmental Disorders, Test Construction, Psychometrics
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de Bildt, Annelies; Oosterling, Iris J.; van Lang, Natasja D. J.; Kuijper, Sanne; Dekker, Vera; Sytema, Sjoerd; Oerlemans, Anoek M.; van Steijn, Daphne J.; Visser, Janne C.; Rommelse, Nanda N.; Minderaa, Ruud B.; van Engeland, Herman; van der Gaag, Rutger-Jan; Buitelaar, Jan K.; de Jonge, Maretha V. – Journal of Autism and Developmental Disorders, 2013
The algorithm of the Autism Diagnostic Interview-Revised provides criteria for autism versus non-autism according to DSM-IV. Criteria for the broader autism spectrum disorders are needed. This study investigated the validity of seven sets of criteria from the literature, in 1,204 Dutch children (aged 3-18 years) with and without mental…
Descriptors: Foreign Countries, Diagnostic Tests, Autism, Pervasive Developmental Disorders
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Williams, Marian E.; Atkins, Monique; Soles, Tamara – Journal of Autism and Developmental Disorders, 2009
Review of 78 evaluations for 29 young children examined practices used in assessment of autism spectrum disorders in three settings: public schools, developmental disabilities eligibility determinations, and our hospital-based early childhood mental health program. While similar rates of classification of autism spectrum disorders were found…
Descriptors: Evaluators, Autism, Health Programs, Developmental Disabilities
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Kraijer, Dirk; de Bildt, Annelies – Journal of Autism and Developmental Disorders, 2005
The Scale of Pervasive Developmental Disorder in Mentally Retarded Persons (PDD-MRS) is described. The PDD-MRS is a simple classification and screening instrument devised for identification of autistic disorders (of the entire spectrum) in persons with mental retardation from mild to profound levels, age-range 2-55 years. The norms of the scale…
Descriptors: Pervasive Developmental Disorders, Disability Identification, Mental Retardation, Classification
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O'Brien, Shawn K. – Journal of Autism and Developmental Disorders, 1996
This study examined the validity and internal and interrater reliability of the Wing Subgroups Questionnaire, an assessment that classifies children with autism into subtypes. Subjects were 42 students (ages 5 to 22) enrolled in multihandicapped special education classrooms. Findings support the reliability and validity of the questionnaire for…
Descriptors: Adolescents, Autism, Children, Classification
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Wadden, Norma P. K.; And Others – Journal of Autism and Developmental Disorders, 1991
The Autism Behavior Checklist was completed for 67 autistic and 56 mentally retarded and learning-disabled children (ages 6-15). The checklist was effective in classifying children when using either the full scale or only the more highly weighted items. Results did not support a single unidimensional scale or subdividing the checklist into five…
Descriptors: Autism, Behavior Rating Scales, Check Lists, Classification