A closer look at the Autism Behavior Checklist: Discriminant validity and factor structure (original) (raw)

Abstract

The psychometric properties of the Autism Behavior Checklist (ABC; Krug, Arick, & Almond, 1980a, 1980b), a 57-item screening checklist for autism was investigated. Professional Informants completed the ABC on 67 autistic and 56 mentally retarded and learning-disabled children. The autistic children were the total population of autistic children aged 6–15 in two circumscribed suburban and rural regions. Using the total score, the ABC accurately discriminated 91% of the children, with 87% of the autistic and 96% of the nonautistic group correctly classified. Moreover, the accuracy of classification was virtually identical when only the more heavily weighted checklist items were used. A 3-factor model accounted for 32% of the total variance in the checklist. Seventeen items loaded.4 or more on Factor 1, 12 items loaded on Factor 2, and 10 items loaded on Factor 3. The present results fail to provide empirical support for a single unidimensional scale for autism. Also, there is little support for subdividing the checklist into five subscales based on symptom areas.

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Authors and Affiliations

  1. Department of Psychology, Dalhousie University, B3H 4J1, Halifax, Nova Scotia, Canada
    Norma P. K. Wadden & Robert S. Rodger
  2. York University, USA
    Susan E. Bryson

Authors

  1. Norma P. K. Wadden
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  2. Susan E. Bryson
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  3. Robert S. Rodger
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Additional information

This research was supported by grant No. 6603-1202-42 from the National Health Research and Development Program of Health and Welfare Canada to the second author and a Social Sciences and Humanities Research Council of Canada Doctoral Fellowship to the first author. We thank all of the parents and children who have contributed to this research. We also thank Isabel Smith, Julia McInnes, Margaret MacKinnon Doncaster, Mary Clark-Touesnard, Leslie Donovan, and Penny Corkum for data collection.

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Wadden, N.P.K., Bryson, S.E. & Rodger, R.S. A closer look at the Autism Behavior Checklist: Discriminant validity and factor structure.J Autism Dev Disord 21, 529–541 (1991). https://doi.org/10.1007/BF02206875

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