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Matson, Johnny L.; Mahan, Sara; Hess, Julie A.; Fodstad, Jill C.; Neal, Daniene – Research in Autism Spectrum Disorders, 2010
Previous studies analyzed the reliability as well as sensitivity and specificity of the Autism Spectrum Disorder-Diagnostic for Children (ASD-DC). This study further examines the psychometric properties of the ASD-DC by assessing whether the ASD-DC has convergent validity against a psychometrically sound observational instrument for Autistic…
Descriptors: Verbal Communication, Nonverbal Communication, Autism, Validity
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Mayes, Susan Dickerson; Calhoun, Susan L.; Murray, Michael J.; Morrow, Jill D.; Yurich, Kirsten K. L.; Mahr, Fauzia; Cothren, Shiyoko; Purichia, Heather; Bouder, James N.; Petersen, Christopher – Journal of Autism and Developmental Disorders, 2009
Reliability and validity for three autism instruments were compared for 190 children with low functioning autism (LFA), 190 children with high functioning autism or Asperger's disorder (HFA), 76 children with attention deficit hyperactivity disorder (ADHD), and 64 typical children. The instruments were the Checklist for Autism Spectrum Disorder…
Descriptors: Check Lists, Autism, Asperger Syndrome, Attention Deficit Hyperactivity Disorder