In the attempt to identify or prevent unfair tests, both quantitative analyses and logical evaluation are often used. For the most part, fairness evaluation is a pragmatic attempt at determining whether procedural or substantive due process has been accorded to either a group of test takers or an individual. In both the individual and comparative…

This report describes the general plan for a study to clarify the interpretation of group performance measures of student achievement. Group tests are the most efficient procedure for collecting achievement information from a large number of students, but they also require item formats that may be different from the form in which students normally…