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Item Response Theory | 1 |
Research Design | 1 |
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Journal of Educational and… | 1 |
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Holman, Rebecca; Berger, Martijn P. F. – Journal of Educational and Behavioral Statistics, 2001
Studied calibration designs that maximize the determinants of Fisher's information matrix on the item parameters for sets of polytomously scored items. Analyzed these items using a number of item response theory models. Results show that for the data and models used, a D-optimal calibration design for an answer or set of answers can reduce the…
Descriptors: Item Response Theory, Research Design, Test Items