In this commentary, the author addresses what is referred to as the deterministic input, noisy "and" gate (DINA) model. The author mentions concerns with how this model has been formulated and presented. In particular, the author points out that there is a lack of recognition of the confounding of profiles that generally arises and then discusses…

Rupp and Templin (2008) do a good job at describing the ever expanding landscape of Diagnostic Classification Models (DCM). In many ways, their review article clearly points to some of the questions that need to be answered before DCMs can become part of the psychometric practitioners toolkit. Apart from the issues mentioned in this article that…

In this commentary, the authors discuss some of the issues regarding the use of diagnostic classification models that practitioners should keep in mind. In the authors experience, these issues are not as well known as they should be. The authors then provide recommendations on diagnostic scoring.

On a general level, the objective of diagnostic classifications models (DCMs) lies in a classification of individuals regarding multiple latent skills. In this article, the authors show that this objective can be achieved by multidimensional adaptive testing (MAT) as well. The authors discuss whether or not the restricted applicability of DCMs can…

Outlines problems related to defining and classifying children with learning disabilities and describes the pitfalls of current assessment procedures, particularly the problems with discrepancy scores. Presents dynamic assessment as an alternative to classification procedures and reviews the results of two studies evaluating dynamic assessment.…

This paper examines the current academic and policy literatures concerning school evaluation in primary and secondary education within the OECD countries. First, it provides a typology of the existing systems of school evaluation across the OECD. It encompasses the diverse criteria and instruments commonly used to carry out schools evaluation, as…

Two inherently contradictory forces are pushing for reform in portfolio assessment. On the one hand there is a felt need for creating more rigid standards that operate to promote uniformity of ratings in appraisal practice to certify achievement. However, on the other hand, critical questions are being raised about separating acclaimed portfolio…