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Dean, Raymond S. – Journal of School Psychology, 1979
The reliability and predictive validity of the WISC-R was investigated with 46 Mexican-American children. Approximately a year and a half after the administration of the WISC-R, scores on the Iowa Tests of Basic Skills were collected. Results indicated that the WISC-R meets minimum requirements of reliability and predictive validity with…
Descriptors: Culture Fair Tests, Elementary Education, Followup Studies, Mexican Americans

Plake, Barbara S.; And Others – Psychology in the Schools, 1980
Results of the Vocabulary, Reading Comprehension, and Mathematics Concepts subtests of the Iowa Tests of Basic Skills were analyzed for sex bias. On the whole, little evidence for sex bias was found for the four subtests and three grade levels examined. (Author)
Descriptors: Bias, Comparative Analysis, Elementary School Students, Junior High School Students
Hildebrand, Myrene; Hoover, H. D. – 1986
This study compared the reliability and validity of two different measures of reading ability, the Degrees of Reading Power (DRP) and the Iowa Tests of Basic Skills (ITBS) Reading test and the ITBS Vocabulary test. The data consisted of scores of 377 grade 5 and grade 6 students on these tests, along with their assigned reading levels in the…
Descriptors: Basic Skills, Correlation, Grade 5, Grade 6