Stability of IQ for race and gender was examined by analyzing the results of two administrations over 3 years of the WISC—R for 402 learning disabled children. About 50% of the variance in Test 2 was accounted for by scores on Test 1. Frequency of positive or negative difference for each IQ from Test 1 to Test 2 was presented. Direction of change in IQ was negative for the Verbal Scale and positive for changes on the Performance Scale.
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References
1.
JulianoJ. M.HaddadF. A.CarrollJ. L. (1988) Three year stability of WISC—R factor scores for black and white, female and male children classified as learning disabled. Journal of School Psychology, 26, 317–325.
2.
NaglieriJ. A.PfeifferS. I. (1983) Reliability and stability of the WISC—R for children with below average IQs. Educational and Psychological Research, 3, 203–208.
3.
SattlerJ. M. (1992) Assessment of children. (3rd ed., Rev.) San Diego, CA: Author.
