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An Abbreviated Form of the WISC-R: Is It Valid?

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Title: An Abbreviated Form of the WISC-R: Is It Valid?
Authors: Resnick, Robert J.
Peer Reviewed: N
Page Count: 11
Publication Date: 2025
Document Type: Reports - Research
Descriptors: Academically Handicapped, Elementary School Students, Intelligence Tests, Statistical Analysis, Test Validity
Assessment and Survey Identifiers: Wechsler Intelligence Scale for Children
Abstract: The completed WISC-R's (Wechsler Intelligence Scale for Children-Revised) of 76 white urban children with academic problems (6 years, 0 months to 15 years, 9 months) were rescored utilizing the Satz and Mogel criteria for an abbreviated intelligence measure. Extremely high correlations for IQ's (.96 - .98) and subtests (.66 - .95) were found. However, when mean differences between complete WISC-R and the shortened form were examined, significant differences between administrations were found. Furthermore, one third of the subjects showed changes in intelligence classification levels when the abbreviated form was used. Thus, two of the three criteria previously suggested for a valid abbreviated intelligence test of: (1) high correlation between administration forms; (2) non significant t-tests between the abbreviated and standard form mean IQ; and (3) low percentage of IQ classification change with the administration of the short form were not met. It was concluded, however, that the abbreviated WISC-R may be appropriate when intelligence is a question relative to candidacy for therapy or as a non-critical, general indication of intelligence when IQ classification is not important and/or assessment time is limited. (Author/RC)
Entry Date: 1977
Accession Number: ED132200
Database: ERIC
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  Data: <searchLink fieldCode="DE" term="%22Academically+Handicapped%22">Academically Handicapped</searchLink><br /><searchLink fieldCode="DE" term="%22Elementary+School+Students%22">Elementary School Students</searchLink><br /><searchLink fieldCode="DE" term="%22Intelligence+Tests%22">Intelligence Tests</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+Analysis%22">Statistical Analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Test+Validity%22">Test Validity</searchLink>
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  Data: The completed WISC-R's (Wechsler Intelligence Scale for Children-Revised) of 76 white urban children with academic problems (6 years, 0 months to 15 years, 9 months) were rescored utilizing the Satz and Mogel criteria for an abbreviated intelligence measure. Extremely high correlations for IQ's (.96 - .98) and subtests (.66 - .95) were found. However, when mean differences between complete WISC-R and the shortened form were examined, significant differences between administrations were found. Furthermore, one third of the subjects showed changes in intelligence classification levels when the abbreviated form was used. Thus, two of the three criteria previously suggested for a valid abbreviated intelligence test of: (1) high correlation between administration forms; (2) non significant t-tests between the abbreviated and standard form mean IQ; and (3) low percentage of IQ classification change with the administration of the short form were not met. It was concluded, however, that the abbreviated WISC-R may be appropriate when intelligence is a question relative to candidacy for therapy or as a non-critical, general indication of intelligence when IQ classification is not important and/or assessment time is limited. (Author/RC)
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  Data: 1977
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      Pagination:
        PageCount: 11
    Subjects:
      – SubjectFull: Academically Handicapped
        Type: general
      – SubjectFull: Elementary School Students
        Type: general
      – SubjectFull: Intelligence Tests
        Type: general
      – SubjectFull: Statistical Analysis
        Type: general
      – SubjectFull: Test Validity
        Type: general
      – SubjectFull: Wechsler Intelligence Scale for Children
        Type: general
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      – TitleFull: An Abbreviated Form of the WISC-R: Is It Valid?
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            NameFull: Resnick, Robert J.
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          Dates:
            – D: 01
              M: 12
              Type: published
              Y: 2025
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