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Comparative Testing2
Test Validity2
Adults1
Higher Education1
Intelligence Quotient1
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Intelligence2
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Quereshi, M. Y.1
Seitz, Rainer1
Spitz, Herman H.1
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Variations in Wechsler Interscale IQ Disparities at Different Levels of IQ.
Peer reviewed Peer reviewed
Spitz, Herman H. – Intelligence, 1989
Studies involving groups administered the Wechsler Adult Intelligence Scale (WAIS) and the WAIS-Revised were examined to determine the validity of J. R. Flynn's (1987) findings of massive intelligence quotient gains in a single generation in many nations. Results for sampled adults support Flynn for the average intelligence range only. (TJH)
Descriptors: Adults, Comparative Testing, Intelligence Quotient, Test Validity
Identical Rules Do Not Make Letter and Number Series Equivalent.
Peer reviewed Peer reviewed
Quereshi, M. Y.; Seitz, Rainer – Intelligence, 1993
Letter series and number series tests of items based on identical rules were administered to 160 male and 160 female undergraduates to determine comparability by testing equality of means, variances, and validity coefficients. Results indicate that letter and number series tests are not equivalent. Number series tests are easier, probably because…
Descriptors: Comparative Testing, Higher Education, Test Construction, Test Validity