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Direct linkHong, Seong Eun; Monroe, Scott; Falk, Carl F. – Journal of Educational Measurement, 2020
In educational and psychological measurement, a person-fit statistic (PFS) is designed to identify aberrant response patterns. For parametric PFSs, valid inference depends on several assumptions, one of which is that the item response theory (IRT) model is correctly specified. Previous studies have used empirical data sets to explore the effects…
Descriptors: Educational Testing, Psychological Testing, Goodness of Fit, Error of Measurement
