Approaches for addressing the fit of item response theory models to educational test data
The study was carried out to accomplish three goals : (1) Propose graphical displays of IRT model fit at the item level and suggest fit procedures at the test level that are not impacted by large sample size, (2) examine the impact of IRT model misfit on proficiency classifications, and (3) investig...
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| Language: | ENG |
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ScholarWorks@UMass Amherst
2008
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| Online Access: | https://scholarworks.umass.edu/dissertations/AAI3337019 |