WISC-R and K-ABC comparison for matched samples of black and white children

Abstract

The present study examined the performance of matched pairs of black and white fourth and fifth grade males and females on the Wechsler Intelligence Scale for Children-Revised (WISC-R) and the Kaufman Assessment Battery for Children (K-ABC). A total of 86 whites (40 males and 46 females) and 86 blacks (40 males and 46 females) were individually matched on age, gender, school, and socioeconomic status. The scores are as follows: the mean WISC-R Full Scale IQ (FSIQ) for blacks was 92.3 ( SD=11.6) and for whites was 101.3 ( SD=11.6) and the mean K-ABC Mental Processing Composite score (MPC) for blacks was 91.5 ( SD=10.1) and for whites was 97.5 ( SD=10.6). These findings suggest that black children will likely earn very similar WISC-R FSIQ and K-ABC MPC mean scores. Additionally, Kaufman and Kaufman's conclusion that use of the K-ABC reduces the difference between black and white levels of intelligence by one half in comparison with values found using the WISC-R was not supported.