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Inter-subtest scatter in the WAIS-R standardization sample

1988; Wiley; Volume: 44; Issue: 6 Linguagem: Inglês

10.1002/1097-4679(198811)44

1097-4679

Joseph D. Matarazzo, Mark Daniel, Aurelio Prifitera, David O. Herman,

Psychometric Methodologies and Testing

Journal of Clinical PsychologyVolume 44, Issue 6 p. 940-950 Psychodiagnostic Processes: Objective Tests of Ability Inter-subtest scatter in the WAIS-R standardization sample Joseph D. Matarazzo Ph.D., Corresponding Author Joseph D. Matarazzo Ph.D. The Oregon Health Sciences UniversityDepartment of Medical Psychology, Oregon Health Sciences University, Portland, Oregon 97201Search for more papers by this authorMark H. Daniel, Mark H. Daniel The Psychological Corporation San Antonio, TexasSearch for more papers by this authorAurelio Prifitera, Aurelio Prifitera The Psychological Corporation San Antonio, TexasSearch for more papers by this authorDavid O. Herman, David O. Herman Measurement Research Services New York, New YorkSearch for more papers by this author Joseph D. Matarazzo Ph.D., Corresponding Author Joseph D. Matarazzo Ph.D. The Oregon Health Sciences UniversityDepartment of Medical Psychology, Oregon Health Sciences University, Portland, Oregon 97201Search for more papers by this authorMark H. Daniel, Mark H. Daniel The Psychological Corporation San Antonio, TexasSearch for more papers by this authorAurelio Prifitera, Aurelio Prifitera The Psychological Corporation San Antonio, TexasSearch for more papers by this authorDavid O. Herman, David O. Herman Measurement Research Services New York, New YorkSearch for more papers by this author First published: November 1988 https://doi.org/10.1002/1097-4679(198811)44:6 3.0.CO;2-ACitations: 40AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract To be able to evaluate the possible diagnostic significance of the magnitude of subtest-to-subtest scatter on the Wechsler Adult Intelligence Scale—Revised (WAIS-R), it is important to know the frequency of various levels of scatter in the general population. To provide this information, the magnitude of scatter across all 11 subtests, and across the subtests of the Verbal and Performance scales, was computed for each of the 1,880 individuals used in the WAIS-R standardization. The range (difference between highest and lowest subtest scaled scores) was found to be an effective measure of scatter when compared with other, more complex indices. Scaled score scatter, which ranged from 2 to 16 points on the Full Scale, averaged 6.7 points for the Full Scale and 4.7 points each for the Verbal and Performance scales. Scatter had little relationship to age, sex, race, and years of education completed. However, the average amount of scatter increased substantially with IQ level. Normative tables for interpreting scatter are provided, and implications of these findings for the practitioner, especially in neuropsychology, are discussed. References Amabile, T. M. (1983). The social psychology of creativity. New York: Springer-Verlag. Anastasi, A. (1970). On the formation of psychological traits. American Psychologist, 25, 899–910. Conger, A. J., Conger, J. C., Farrell, A. D., & Ward, D. (1979). What can the WISC-R measure? Applied Psychological Measurement, 3, 421–436. Elliott, C. E. (1986). The factorial structure and specificity of the British Ability Scales. British Journal of Psychology, 77, 175–185. Kaufman, A. S. (1976). A new approach to the interpretation of test scatter on the WISC-R. Journal of Learning Disabilities, 9, 33–41. Kaufman, A. S. (1979). Intelligent testing with the WISC-R. New York: John Wiley. Leckliter, I. N., Matarazzo, J. D., & Silverstein, A. B. (1986). A literature review of factor analytic studies of the WAIS-R. Journal of Clinical Psychology, 42, 332–342. Matarazzo, J. D. (1972). Wechsler's measurement and appraisal of adult intelligence ( Fifth and revised edition). New York: Oxford University Press. Matarazzo, J. D., Bornstein, R. A., McDermott, P. A., & Noonan, J. V. (1986). Verbal IQ vs. Performance IQ difference scores in males and females from the WAIS-R standardization sample. Journal of Clinical Psychology, 42, 965–974. (plus errata, 43, 293–297.) Matarazzo, J. D., & Herman, D. O. (1984a). Base rate data for the WAIS-R: Test-retest stability and VIQ-PIQ differences. Journal of Clinical Neuropsychology, 6, 351–366. Matarazzo, J. D., & Herman, D. O. (1984b). Relationship of education and IQ in the WAIS-R standardization sample. Journal of Consulting and Clinical Psychology, 52, 631–634. Matarazzo, J. D., & Herman, D. O. (1985). Clinical uses of the WAIS-R: Base rates of differences between VIQ and PIQ in the WAIS-R standardization sample. In B. B. Wolman (Ed.), Handbook of intelligence: Theories, measurements, and applications (pp. 899–932). New York: John Wiley. Payne, R. W., & Jones, H. G. (1957). Statistics for the investigation of individual cases. Journal of Clinical Psychology, 13, 115–121. Reinert, G. (1970). Comparative factor analytic studies of intelligence throughout the human life-span. In L. R. Goulet & P. B. Baltes (Eds.), Life-span developmental psychology: Research and theory (pp. 467–484). New York: Academic Press. Reynolds, C. R., & Gutkin, T. B. (1981). Test scatter on the WPPSI: Normative analyses of the standardization sample. Journla of Learning Disabilities, 14, 460–464. Silverstein, A. B. (1981). Reliability and abnormality of test score differences. Journal of Clinical Psychology, 37, 392–394. Silverstein, A. B. (1987). Two indices of subtest scatter on Wechsler's intelligence scales: Estimated vs. empirical values. Journal of Clinical Psychology, 43, 409–414. Wechsler, D. (1967). Wechsler Preschool and Primary Scale of Intelligence. New York: The Psychological Corporation. Wechsler, D. (1974). Wechsler Intelligence Scale for Children–Revised. New York: The Psychological Corporation. Wechsler, D. (1981). Wechsler Adult Intelligence Scale–Revised. New York: The Psychological Corporation. Citing Literature Volume44, Issue6November 1988Pages 940-950 ReferencesRelatedInformation