Social and nonsocial factors in the Childhood Autism Rating Scale

Jennifer Stella, Peter Clive Mundy, Roberto Tuchman

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

The Childhood Autism Rating Scale (CARS) was factor analyzed to determine if distinct and independent 'subgroups' of symptoms could be derived, which would be consistent with the current multidimensional theory and nosology for autism. To address this issue, the CARS was factor analyzed for a sample of 90 children with diagnoses of either autism or PDDNOS, based on DSM-III-R diagnostic criteria. Five factors emerged: Social Communication, Emotional Reactivity, Social Orienting, Cognitive and Behavioral Consistency, and Odd Sensory Exploration. Factor-based scales were created. These factor- based scales were demonstrated to distinguish subjects with autism from subjects with PDDNOS and nonautistic subjects. Factor-based scores were examined to determine the degree to which they were associated with individual differences (such as age, IQ, gender, history of regression, and history of abnormal EEGs) among children with pervasive developmental disorders (PDDs). The application of these distinct and independent factors may have important clinical and research implications. The generation of factor-based scales may provide information on the nature of the individual differences that are thought to be present among children with autism. Additionally, the use of factor-based scale scores may increase the sensitivity of the CARS for identifying younger and/or higher functioning individuals within the PDD spectrum.

Original languageEnglish (US)
Pages (from-to)307-317
Number of pages11
JournalJournal of Autism and Developmental Disorders
Volume29
Issue number4
DOIs
StatePublished - 1999
Externally publishedYes

Fingerprint

Autistic Disorder
Individuality
Diagnostic and Statistical Manual of Mental Disorders
Electroencephalography
Communication
Research

Keywords

  • CARS
  • Factor-based scales
  • Social factors

ASJC Scopus subject areas

  • Psychology(all)
  • Developmental and Educational Psychology

Cite this

Social and nonsocial factors in the Childhood Autism Rating Scale. / Stella, Jennifer; Mundy, Peter Clive; Tuchman, Roberto.

In: Journal of Autism and Developmental Disorders, Vol. 29, No. 4, 1999, p. 307-317.

Research output: Contribution to journalArticle

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