title: Comparison of scores on the Checklist for Autism Spectrum Disorder, Childhood Autism Rating Scale, and Gilliam Asperger's Disorder Scale for children with low functioning autism, high functioning autism, Asperger's disorder, ADHD, and typical development.
abstract: 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 (designed for children with LFA and HFA), Childhood Autism Rating Scale (CARS) for children with LFA, and Gilliam Asperger's Disorder Scale (GADS). For children with LFA or ADHD, classification accuracy was 100% for the Checklist and 98% for the CARS clinician scores. For children with HFA or ADHD, classification accuracy was 99% for the Checklist and 93% for the GADS clinician scores. Clinician-parent diagnostic agreement was high (90% Checklist, 90% CARS, and 84% GADS).
authors.affiliation: Department of Psychiatry H073, Milton S. Hershey Medical Center, Penn State College of Medicine, 500 University Drive, Hershey, PA 17033, USA. smayes@psu.edu
authors.forename: Susan Dickerson
authors.initials: SD
authors.lastname: Mayes
authors.forename: Susan L
authors.initials: SL
authors.lastname: Calhoun
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Murray
authors.forename: Jill D
authors.initials: JD
authors.lastname: Morrow
authors.forename: Kirsten K L
authors.initials: KK
authors.lastname: Yurich
authors.forename: Fauzia
authors.initials: F
authors.lastname: Mahr
authors.forename: Shiyoko
authors.initials: S
authors.lastname: Cothren
authors.forename: Heather
authors.initials: H
authors.lastname: Purichia
authors.forename: James N
authors.initials: JN
authors.lastname: Bouder
authors.forename: Christopher
authors.initials: C
authors.lastname: Petersen
mesh_terms: D020817:Asperger Syndrome / Q000175:diagnosis; D001321:Autistic Disorder / Q000175:diagnosis; D057189:Checklist; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000145:classification / Q000175:diagnosis*; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D011569:Psychiatric Status Rating Scales; D015203:Reproducibility of Results