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…

Within the last few decades, there have been multidimensional advancements in language assessment. Some of the advancements have been in the direction of developing theoretical models of the construct of language ability, others in the line of measuring that construct, and still some others toward materializing the outcomes of measuring the…

Classroom-based formative assessment by teachers has received a good deal of renewed scholarly and policy interest. The overall aim of this article is to foreground some of the key constitutive issues in this approach to teacher assessment and to suggest possible ways of conceptualizing key epistemological and empirical questions. This discussion…

In response to the American Association of Applied Linguistics' presentation of the Distinguished Scholarship and Service Award for extraordinary contributions to the fields of language learning, teaching, and testing in May 2004, Merrill Swain described her own work as "moving in cycles of research, theory and practice." These "spirals" ("cycles…