Rater behavior in essay grading can be viewed as a signal-detection task, in that raters attempt to discriminate between latent classes of essays, with the latent classes being defined by a scoring rubric. The present report examines basic aspects of an approach to constructed-response (CR) scoring via a latent-class signal-detection model. The…

This paper examines the rating scale data of oral proficiency tests analyzed by a Rasch Analysis focusing on an item map and factor analysis. In discussing the item map, the difficulty order of six items and students' answering patterns are analyzed using descriptive statistics and measures of central tendency of test scores. The data ranks the…

This paper reports a second-cycle validation study of the test of English at Matriculation (TEAM) following revisions made to the test in 1993. Candidates' scores from four academic sessions (1993-1997) were used to assess the relationship between the performance at the beginning of their degree course and their eventual academic outcome. Results…