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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
Quaiser-Pohl, Claudia; Neuburger, Sarah; Heil, Martin; Jansen, Petra; Schmelter, Andrea – International Journal of Testing, 2014
This article presents a reanalysis of the data of 862 second and fourth graders collected in two previous studies, focusing on the influence of method (psychometric vs. chronometric) and stimulus type on the gender difference in mental-rotation accuracy. The children had to solve mental-rotation tasks with animal pictures, letters, or cube…
Descriptors: Foreign Countries, Gender Differences, Accuracy, Age Differences
