{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/82044"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/82044","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Improving the Accuracy of Item Response Theory Parameter Estimates Through Simultaneous Estimation and Incorporation of Ancillary Variables","abstract":"Finally, several practical considerations are also discussed. The most notable is the appropriateness of including ancillary information in reporting ability estimates. 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