The present study examined the factor structures across features of 446 examinees' responses to a writing task that integrates reading and listening modalities as well as reading and listening comprehension items of the TOEFL iBT[R] (Internet-based test). Both human and automated scores obtained for the integrated essays were utilized. Based on a…

This article presents the authors' response on the two commentators' (Fred Davidson and Charles Alderson) reviews of the 2009 Special Issue of "Language Assessment Quarterly" on "Cognitive Diagnosis and Q-matrices in Language Assessment." The Special Issue represents several years of research work on cognitive diagnosis approaches (CDA) carried…

A variety of cognitive diagnosis approaches (CDAs) have been used by researchers to extract fine-grained information about the linguistic knowledge states and skill mastery levels of test takers based on their performance on language tests. Although some of these approaches have been in use in the psychometric community for quite some time, many…

The present study investigated the functioning of three psychometric models for cognitive diagnosis--the general diagnostic model, the fusion model, and latent class analysis--when applied to large-scale English as a second language listening and reading comprehension assessments. Data used in this study were scored item responses and incidence…