WISC-R full scale mean IQS for both black and white children, aged 6 through 15 and having difficulty in school.
D000293:Adolescent; D001741:Black or African American; D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D007361:Intelligence Tests; D007859:Learning Disabilities / Q000523:psychology*; D008297:Male