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American Journal of Mental…1
Psychology in the Schools1
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Burns, Edward1
Silverstein, A. B.1
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Note on the Construct Validity of the ITPA
Peer reviewed Peer reviewed
Silverstein, A. B. – Psychology in the Schools, 1978
Correlations with Binet IQ in the ITPA normative sample were corrected for restricted intelligence range. The corrected correlation for the Psycholinguistic Quotient is as high as that between the WISC and the Binet, a finding that raises a serious question about the construct validity of the ITPA. (Author)
Descriptors: Comparative Testing, Intelligence Tests, Norm Referenced Tests, Research Projects
Effects of Restricted Sampling on ITPA Scaled Scores
Peer reviewed Peer reviewed
Burns, Edward – American Journal of Mental Deficiency, 1976
Restricted sampling with which the Illinois Test of Psycholinguistic Abilities was standardized was investigated by simulating a multivariate population comprised of four variables and having specified means, standard deviations, and intercorrelations. (Author/CL)
Descriptors: General Education, Language Tests, Measurement Techniques, Research Projects