Use of cluster scores on the woodcock-johnson psycho-educational battery with learning disabled students

Matt Mc Gue, Mark Shinn, James E Ysseldyke

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The Woodcock-Johnson Psycho-Educational Battery (W-J) is a norm-referenced device combining measures of cognitive ability, achievement, and interest. The battery was developed using both factor analysis and multiple-regression analysis to determine differential weighting systems and derive factor clusters. The present discussion is a critical evaluation of the usefulness of the battery for the assessment of learning disabled (LD) students. Data on 50 learning disabled fourth-grade students were used to investigate the logical consistency and external validity of the Woodcock-Johnson. Based on the above data, the W-J factor clusters could not be replicated in this sample of learning disabled students; also, little evidence was found of the validity of either the cognitive factor clusters or the aptitude factor clusters. Major questions are raised regarding subtest overlap and especially suppressor variables, as well as operationalization of the aptitude clusters.

Original languageEnglish (US)
Pages (from-to)274-287
Number of pages14
JournalLearning Disability Quarterly
Volume5
Issue number3
DOIs
StatePublished - Aug 1982

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