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Effects of Misbehaving Common Items on Aggregate Scores and an Application of the Mantel-Haenszel Statistic in Test Equating.
(National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2006)
Consistent behavior is a desirable characteristic that common items are expected to have when administered to different groups. Findings from the literature have established that items do not always behave in consistent ...
Sensitivity of IRT Equating to the Behavior of Test Equating Items
(2003)
The delta-plot method is used to identify which common items in a common item nonequivalent groups design for test equating show large changes in their p-values across administrations. Outliers in that plot denote differential ...