The Slosson Intelligence Test and young learning-disabled children: a comparative study

Evaluated 26 children independently diagnosed as learning disabled in a counterbalanced design with the deviation IQ form of the Slosson Intelligence Test and the Wechsler Intelligence Scale for Children-Revised (WISC-R). Moderate to good correlations were obtained between the Slosson and the WISC-R Full Scale (r = .91), Verbal (r = .94) and Performance (r = .60) IQ scores. The Slosson correctly predicted functioning level to within 10 IQ points of WISC-R Full Scale scores for 88% of the Ss. These data suggest that the recent revision of the Slosson has corrected the tendency of earlier versions of this instrument to inflate the estimated IQs of young learning-disabled children.