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Sijtsma, Klaas; Verweij, Anton C. – Applied Psychological Measurement, 1999
Presents componential item response theory as a model-oriented approach to studying processes and strategies underlying the incorrect/correct responses to cognitive test tasks. Results from 417 elementary school students show that combining knowledge of solution strategies with Item Response Theory modeling produced a useful unidimensional scale…
Descriptors: Cognitive Tests, Elementary Education, Elementary School Students, Item Response Theory