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A comparison study of IRT calibration methods for mixed-format tests in vertical scaling

Thesis advisor: Walter Vispoel, Won-Chan Lee. Includes bibliographic references (p. 204-209).

  1. http://ir.uiowa.edu/etd/338
Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/615594957
Date January 2007
CreatorsMeng, Huijuan. Vispoel, Walter P. Lee, Won-Chan.
PublisherIowa City : University of Iowa,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish

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