F. Samejima (1973) proposed a continuous response model in which item response is on a continuous scale rather than some discrete levels. This model has potential because in many psychological and educational assessments, the responses are on a conceptual continuum rather than on some fixed levels. As a first step toward studying the applicability…

The Work Keys (trademark) system of the American College Testing program has combined assessments of listening and writing into a single test administration. The Listening and Writing assessment uses independent scorings of the examinee's written responses to audiotaped prompts to assess both listening and writing skills separately. This paper…