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Errors in computation of WISC and WISC-R intelligence quotients from raw scores
M G Beasley1, M Lobasher, S Henley
1Department of Child Health, Institute of Child Health, London.
Abstract:
Twenty-four per cent of 457 sequential IQ assessments contained errors in the calculation of verbal, performance or full scale IQ's from the raw scores; in 2% the errors were large enough to cause a difference in full scale IQ of more than 5 points.