Correlations between the achievement test scores of 2,000 entering freshmen in 1977 and measures of college performance were similar to those reported for tests of the college entrance type. These results provide support for the predictive validity of the Iowa Tests of Basic Skills and the Iowa Tests of Educational Development achievement test…

The importance of computational skill for answering items in the quantitative thinking subtest of the Iowa Tests of Educational Development was investigated. Results show that computational skill is not a major factor contributing to the examinee's score on the subtest. (Author/GK)

The Iowa Test of Educational Development (ITED), a test of general abilities given to high school students, is intended as a tool for teachers and administrators to measure the progress of their students and plan accordingly; it also purports to assess the use by students of critical and evaluative abilities. Because such tests as the ITED carry…

A brief discussion of the concept of validity, a description of the nature and purposes of the Iowa Tests of Educational Development (ITED), and a rationale for the inclusion of ITED results as part of the overall program evaluation of a secondary school are presented. According to the authors, the ITED can validly be used as one of the…