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Direct linkKim, Kyung Yong; Lim, Euijin; Lee, Won-Chan – International Journal of Testing, 2019
For passage-based tests, items that belong to a common passage often violate the local independence assumption of unidimensional item response theory (UIRT). In this case, ignoring local item dependence (LID) and estimating item parameters using a UIRT model could be problematic because doing so might result in inaccurate parameter estimates,…
Descriptors: Item Response Theory, Equated Scores, Test Items, Models
