Abstract
The WISC-R and the Slosson Intelligence Test (SIT) were given to 69 randomly selected children in grades one through six in an urban school system. A regression equation for predicting WISC-R full scale IQ from SIT was developed. Previous studies had reported that SIT IQs tended to be consistently higher than WISC-R IQs. The present study revealed that SIT IQs were considerably higher than WISC-R IQs in the upper range and slightly lower in the lower range. A possible reason for the discrepancy is that the present study used a normal population and previous studies used restricted ranges. It was concluded that the SIT provides a good estimate of WISC-R full scale IQs when a regression equation is used. It was recommended, however, that educational placement decisions should not be made on the basis of any single IQ measure.
Published Version
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