Publication: A Comparison of Aggregation Rules for Selecting Anchor Items in Multigroup DIF Analysis
A Comparison of Aggregation Rules for Selecting Anchor Items in Multigroup DIF Analysis
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Huelmann, T., Debelak, R., & Strobl, C. (2020). A Comparison of Aggregation Rules for Selecting Anchor Items in Multigroup DIF Analysis. Journal of Educational Measurement, 57(2), 185–215. https://doi.org/10.1111/jedm.12246
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This study addresses the topic of how anchoring methods for differential item functioning (DIF) analysis can be used in multigroup scenarios. The direct approach would be to combine anchoring methods developed for two‐group scenarios with multigroup DIF‐detection methods. Alternatively, multiple tests could be carried out. The results of these tests need to be aggregated to determine the anchor for the final DIF analysis. In this study, the direct approach and three aggregation rules are investigated. All approaches are combined with
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- Huelmann, Thorben
- Strobl, Carolin
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Huelmann, T., Debelak, R., & Strobl, C. (2020). A Comparison of Aggregation Rules for Selecting Anchor Items in Multigroup DIF Analysis. Journal of Educational Measurement, 57(2), 185–215. https://doi.org/10.1111/jedm.12246