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Research Abstracts - Children with Disabilities

Can Autism Be Diagnosed Accurately in Children Under Three Years?

By Wendy L. Stone, Evon B. Lee, Linda Ashford, Jane Brissie, Susan L. Hepburn, Elaine E. Coonrod and Bahr R. Weiss.

This study investigated the reliability and stability of an autism diagnosis in children under three years of age who received independent diagnostic evaluations from two clinicians during two consecutive yearly evaluations. Strong evidence for the reliability and stability of the diagnosis was obtained. Diagnostic agreement between clinicians was higher for the broader discrimination of autism spectrum vs. no autism spectrum than for the more specific discrimination of autism vs. PDD-NOS. The diagnosis of autism at age two was more stable than the diagnosis of PDD-NOS at the same age.

Available From:

The Journal of Child Psychology and Psychiatry, (1999), Volume 40, Pages 219-226.



Early Head Start National Resource Center @ ZERO TO THREE
2000 M. Street, NW, Suite 200
Washington, DC 20036
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This Web site was developed for the Office of Head Start by ZERO TO THREE: National Center for Infants, Toddlers, and Families, under contract No. HHSP23320042900YC from the Administration on Children, Youth and Families; Administration for Children and Families; U. S. Department of Health and Human Services, to operate the Early Head Start National Resource Center.