Overrepresentation of minorities in special education classes and bias in IQ tests that allegedly underlies such placements are discussed in regard to the use of psychological tests for educational classification. Concludes that the use of tests, rather than the tests themselves, leads to discriminatory placement. Suggests solutions to this…

Test bias, assumed as equal regression lines between two different tests for different populations was investigated to predict Metropolitan Achievement Tests from the Wechsler Intelligence Scale for Children--Revised. Subjects were 1,040 children in grades 1, 3, 5, 7, and 9: Anglo American, Black, Mexican American, and Native American Papago. (JKS)

Two psychometric approaches for the investigation of item bias were employed to examine the performance of four sociocultural groups on six subtests of the Wechsler Intelligence Scale for Children - Revised (WISC-R). The sample of 950 students was from Pima County, Arizona. One approach involved the comparison of the psychometric indices of…