The PPVT-R as a measure of psycholinguistic functioning: A caution

Thomas S. Altepeter

25 citations0/0 files storedJournal of Clinical Psychology

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Language Development and Disorders Psychological Testing and Assessment Developmental and Educational Neuropsychology

Abstract

The present investigation was undertaken to evaluate the use of the PPVT-R as a measure of psycholinguistic functioning. The sample included 75 school-aged children referred for evaluation. The mean PPVT-R standard score (94.59, SD = 15.85) was not significantly different (p less than .01) than the WISC-R Full Scale IQ (95.36, SD = 16.29), Verbal IQ (94.36, SD = 16.17), or Performance IQ (97.75, SD = 15.61), or the mean ITPA PLQ. The PPVT-R correlated positively and significantly with the WISC-R Full Scale IQ (.77), Verbal IQ (.71) and Performance IQ (.74) and the WISC-R subtests, with coefficients that ranged from .42 (object assembly) to .69 (vocabulary). In addition, the PPVT-R correlated positively and significantly with the ITPA Psycho-Linguistic Quotient (PLQ) (.72) and the ITPA) subtests, with coefficients that ranged from .38 (auditory sequential memory) to .72 (grammatic closure). Regression analyses determined that the ITPA PLQ and the PPVT-R standard score were not predictive of one another. The data are interpreted to suggest that the PPVT-R is not more appropriately used as a measure of receptive language ability than as a screen for intellectual functioning.

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References

1982Assessment of children's intelligence and special abilities 1982THE ILLINOIS TEST OF PSYCHOLINGUISTIC ABILITIES:1965Expanded manual for the Peabody picture vocabulary test 1984Peabody Picture Vocabulary Test-Revised: An Appraisal and Review 1981Concurrent validity of the revised Peabody Picture Vocabulary Test 1981Comparison of the PPVT-R and WISC-R with urban educable mentally retarded students 1983Stability, concurrent and predictive validity of the PPVT-R 1985A factor analytic investigation of the use of the PPVT-R as a measure of general achievement

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