An Examination of the Diagnostic Claims of the Revised Illinois Test of Psycholinguistic Abilities

T. Kelley's procedure ("A New Method for Determining the Significance of Differences in Intelligence and Achievement Scores," Journal of Educational Psychology, 1923, 14(6), 321-333) for estimating the % of differences in excess of chance was applied to two types of standardization da...

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Bibliographic Details
Published in:Journal of learning disabilities 1978-11, Vol.11 (9), p.586-590
Main Authors: Tierney, Robert J., Ames, Wilbur S.
Format: Article
Language:English
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Summary:T. Kelley's procedure ("A New Method for Determining the Significance of Differences in Intelligence and Achievement Scores," Journal of Educational Psychology, 1923, 14(6), 321-333) for estimating the % of differences in excess of chance was applied to two types of standardization data for Revised Illinois Test of Psycholinguistic Abilities lists: uncorrected & corrected data for the restricted intelligence range of the population sampled. Subtest comparisons with a % of differences in excess of chance less than 25% were recorded. Auditory reception, visual sequential, & sound blending subtests permitted the most legitimate comparisons for various age levels while verbal expression, grammatic closure, & visual closure permitted the least. 1 Table. A. Sbragia
ISSN:0022-2194
1538-4780
DOI:10.1177/002221947801100911