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Schloss, Patrick J.; And Others – Teacher Education and Special Education, 1990
This study compared the impact of three forms of evaluation on the mastery of course content by special education majors. Results indicated higher levels of mastery were achieved by students during short- and long-term formative evaluation conditions, relative to summative evaluation. Students also viewed formative evaluation formats more…
Descriptors: Comparative Analysis, Disabilities, Evaluation Methods, Evaluation Research
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Xu, Xueli; von Davier, Matthias – ETS Research Report Series, 2006
More than a dozen statistical models have been developed for the purpose of cognitive diagnosis. These models are supposed to extract a much finer level of information from item responses than traditional unidimensional item response models. In this paper, a general diagnostic model (GDM) was used to analyze a set of simulated sparse data and real…
Descriptors: Statistical Analysis, National Competency Tests, Diagnostic Tests, Item Response Theory