The Psychometric Characteristics of Choice Items

This study investigated the psychometric characteristics of constructed-response (CR) items referring to choice and non-choice passages administered to students in Grades 3, 5, and 8. The items were scaled using item response theory (IRT) methodology. The results indicated no consistent differences in the difficulty and discrimination of the items referring to the two types of passages. On the average, students' scale scores on the choice and non-choice passages were comparable. Finally, the choice passages differed in terms of overall popularity and in their attractiveness to different gender and ethnic groups