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Direct linkNeal, 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
Worley, Julie A.; Matson, Johnny L. – Research in Autism Spectrum Disorders, 2012
The American Psychiatric Association has proposed major revisions for the diagnostic category encompassing Autism Spectrum Disorders (ASD), which will reportedly increase the specificity and maintain the sensitivity of diagnoses. As a result, the aim of the current study was to compare symptoms of ASD in children and adolescents (N = 208) who met…
Descriptors: Control Groups, Nonverbal Communication, Autism, Criteria
Mahan, Sara; Matson, Johnny L. – Research in Autism Spectrum Disorders, 2011
As the "Behavioral Assessment System for Children, Second Edition" ("BASC-2") is often used to aid in diagnosis it is important to discern how children and adolescents with Autism Spectrum Disorder (ASD) score on the "BASC-2" compared to typically developing controls. This study compared scores of typically developing…
Descriptors: Autism, Pervasive Developmental Disorders, Evaluation Methods, Clinical Diagnosis
Matson, Johnny L.; Dempsey, Timothy; Rivet, Tessa – Research in Autism Spectrum Disorders, 2008
Asperger's syndrome (AS), first diagnosed in 1944, and has only recently begun to receive a great deal of research attention. An emerging controversy has been whether AS is a distinct condition from high functioning autism (HFA), and if so, can it be reliably and validly diagnosed. While measures designed specifically to aid in the screening and…
Descriptors: Autism, Asperger Syndrome, Symptoms (Individual Disorders), Identification
Peer reviewedMatson, Johnny L.; Smiroldo, Brandi B.; Hastings, Theresa L. – Journal of Autism and Developmental Disorders, 1998
An evaluation was made of the empirical validity of the Diagnostic Assessment for the Severely Handicapped-II (DASH-II) with 51 individuals with severe/profound mental retardation, some of whom were also diagnosed with autism, and controls. The Autism/Pervasive Developmental Disorder subscale of the DASH-II was internally consistent and just as…
Descriptors: Adults, Children, Classification, Clinical Diagnosis
