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Using the Childhood Autism Rating Scale to Diagnose Autism Spectrum Disorders.

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Title: Using the Childhood Autism Rating Scale to Diagnose Autism Spectrum Disorders.
Authors: Chlebowski, Colby, Green, James A., Barton, Marianne L., Fein, Deborah
Source: Journal of Autism & Developmental Disorders. Jul2010, Vol. 40 Issue 7, p787-799. 13p. 7 Charts, 2 Graphs.
Subjects: Childhood Autism Rating Scale, Autism spectrum disorders, Diagnosis of autism in children, Developmental disabilities, Pathological psychology, Psychological tests for children, Psychoanalysis, Psychology, Mental health
Abstract: This study investigated the childhood autism rating scale (CARS) as a tool for ASD diagnoses for 2-year-old ( n = 376) and 4-year-old ( n = 230) children referred for possible autism. The cut-off score to distinguish autistic disorder from PDD-NOS was 32 in the 2-year-old sample (consistent with Lord in J Child Psychol Psychiatry Allied Discipl, 36, 1365–1382, ), and 30 in the 4-year-old sample, with good sensitivity and specificity at both ages. The cut-off score to distinguish ASD from non-ASD at both ages was 25.5, with good sensitivity and specificity. Results confirm the utility of the CARS in distinguishing autistic disorder from PDD-NOS, and distinguishing ASD from other developmental disorders and typical development and suggest that an ASD cutoff around 25, which is in common clinical use, is valid. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:This study investigated the childhood autism rating scale (CARS) as a tool for ASD diagnoses for 2-year-old ( n = 376) and 4-year-old ( n = 230) children referred for possible autism. The cut-off score to distinguish autistic disorder from PDD-NOS was 32 in the 2-year-old sample (consistent with Lord in J Child Psychol Psychiatry Allied Discipl, 36, 1365–1382, ), and 30 in the 4-year-old sample, with good sensitivity and specificity at both ages. The cut-off score to distinguish ASD from non-ASD at both ages was 25.5, with good sensitivity and specificity. Results confirm the utility of the CARS in distinguishing autistic disorder from PDD-NOS, and distinguishing ASD from other developmental disorders and typical development and suggest that an ASD cutoff around 25, which is in common clinical use, is valid. [ABSTRACT FROM AUTHOR]
ISSN:01623257
DOI:10.1007/s10803-009-0926-x