Examinees who take high-stakes assessments are usually given an opportunity to repeat the test if they are unsuccessful on their initial attempt. To prevent examinees from obtaining unfair score increases by memorizing the content of specific test items, testing agencies usually assign a different test form to repeat examinees. The use of multiple…

Large data sets from a state reading assessment for third and fifth graders were analyzed to examine differential item functioning (DIF), differential distractor functioning (DDF), and differential omission frequency (DOF) between students with particular categories of disabilities (speech/language impairments, learning disabilities, and emotional…

The effects of test performance of differentially written multiple-choice tests and test takers' cognitive style were studied for 47 graduate students and 35 public school and college teachers. Adhering to test-writing item guidelines resulted in mean scores basically the same for two groups of differing cognitive style. (SLD)