A random sample of all sixth-grade students enrolled in a large urban school district completed the Iowa Tests of Basic Skills. The correspondence of test vectors measured by the test was analyzed. Results suggest that the ITBS does not measure exactly the same constructs across student ethnic groups. (Author)

THREE STUDIES UNDERTAKEN AT BRIGHAM YOUNG UNIVERSITY ATTEMPTED TO ASSESS THE RELATIVE EFFICIENCY OF THE UNIVERSITY'S INDIVIDUALIZED APPROACH AND A WHOLE-CLASS APPROACH TO TEACHING SPELLING IN THE ELEMENTARY GRADES. THE FIRST-YEAR STUDY UTILIZED THESE TWO APPROACHES IN GRADES TWO THROUGH SIX. THE SECOND-YEAR PROJECT CONTINUED THE USE OF THESE…

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…

This research addresses the question of the comparability of equal scores on the same test from children in different grades. The results indicate that the scores are comparable, and support the assignment of Iowa Tests of Basic Skills levels that match the child's developmental level. (Author)