With the growing interest in comparing student achievement state by state, there is a need to develop better techniques for making such comparisons. Approaches available now, particularly the use of Scholastic Aptitude Test (SAT) and American College Test (ACT) scores, have obvious shortcomings but nonetheless continue to be prominent because…

This paper argues that no single measurement strategy serves all purposes and that applying methods and techniques which allow a variety of data elements to be retrieved and juxtaposed may be an investment in the future. Item response theory, Rasch model, and latent trait theory are all approaches to a single conceptual topic. An abbreviated look…