This article provides an illustrative description of the pre-post difference index (PPDI), a simple, nontechnical yet robust tool for examining the instructional sensitivity of assessment items. Extension educators often design pretest-posttest instruments to assess the impact of their curricula on participants' knowledge and understanding of the…

A study evaluated the use of a "none-of-these" option on multiple-choice achievement tests in undergraduate dental education. Results indicated this option neither enhanced nor diminished examinee performance stability but did reduce the examinee's opportunity to select correct choices by means unrelated to course objectives, thereby enhancing…

A Dutch study of the relationship between different student cognitive styles and foreign language achievement focused on the development and analysis of a grammar test for English as a second language. The test consists of ten subtests requiring the student to manipulate aspects of English syntactic, morphosyntactic, and morphological structure.…