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Direct linkvon Davier, Matthias – Measurement: Interdisciplinary Research and Perspectives, 2009
In this commentary, the author points out few issues, one being that there are models mislabeled as diagnostic, which deal with linear decompositions of item difficulties rather than estimating multidimensional skill variables. The author discusses the issue that there are many new names for essentially well-known models for multiple simultaneous…
Descriptors: Test Items, Probability, Models, Diagnostic Tests
