Domains of the childhood autism rating scale: Relevance for diagnosis and treatment

David L. DiLalla, Sally J Rogers

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

The Childhood Autism Rating Scale (CARS) was factor analyzed. Three factors emerged: Social Impairment (SI), Negative Emotionality (NE), and Distorted Sensory Response (DSR). Unit-weight factor scales showed moderates-to-good internal consistency. Cross-sectional analyses demonstrated that autistic (AUT) subjects were distinguished from subjects with pervasive developmental disorders (PDD) and nonpervasive developmental disorders (NPDD) by higher scores on SI. An SI cutoff score of 26 classified individuals as autistic vs. nonautistic with 78% accuracy. Longitudinal analyses showed that DSR was stable over 6 months of treatment, with little indication of symptom reduction. SI decreased over time across the diagnostic groups, but still showed significant continuity over the period. NE was most malleable and apparently sensitive to the effects of treatment.

Original languageEnglish (US)
Pages (from-to)115-128
Number of pages14
JournalJournal of Autism and Developmental Disorders
Volume24
Issue number2
DOIs
StatePublished - Apr 1994
Externally publishedYes

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Autistic Disorder
Cross-Sectional Studies
Weights and Measures

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Psychology(all)

Cite this

Domains of the childhood autism rating scale : Relevance for diagnosis and treatment. / DiLalla, David L.; Rogers, Sally J.

In: Journal of Autism and Developmental Disorders, Vol. 24, No. 2, 04.1994, p. 115-128.

Research output: Contribution to journalArticle

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