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Direct linkNijman, E. E.; Scheirs, J. G. M.; Prinsen, M. J. H.; Abbink, C. D.; Blok, J. B. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
Increases in the scores on IQ tests across generations have been called the Flynn effect (FE). One of the unresolved questions is whether the FE affects all subsamples of the intellectual ability distribution equally. The present study was aimed at determining the size of the FE in moderately mentally retarded individuals. A nonverbal intelligence…
Descriptors: Mental Retardation, Intelligence Tests, Test Norms, Nonverbal Ability
