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Direct linkKanaya, Tomoe; Ceci, Stephen J. – Journal of Psychoeducational Assessment, 2011
The Flynn effect, a secular rise in IQ seen throughout the world, was examined on the WISC-R and WISC-III subtests in a longitudinal sample of more than 2,500 school children who were tested between 1974 and 2002. Multivariate analysis of variance and multiple regression analyses revealed that all the subtests experienced significant decreases in…
Descriptors: Intelligence Tests, Intelligence Quotient, Test Norms, Change
