Improving the Accuracy of Item Response Theory Parameter Estimates Through Simultaneous Estimation and Incorporation of Ancillary Variables
De La Torre, Jimmy
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https://hdl.handle.net/2142/82044
Description
Title
Improving the Accuracy of Item Response Theory Parameter Estimates Through Simultaneous Estimation and Incorporation of Ancillary Variables
Author(s)
De La Torre, Jimmy
Issue Date
2003
Doctoral Committee Chair(s)
Jeff Douglas
Department of Study
Psychology
Discipline
Psychology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Psychology, Psychometrics
Language
eng
Abstract
Finally, several practical considerations are also discussed. The most notable is the appropriateness of including ancillary information in reporting ability estimates. To address sufficiently the concerns and reservations surrounding this issue, theoretical underpinnings should be further expounded, and empirical evidence should be collected to show that the use and interpretation of ability estimates obtained via this method are valid and appropriate.
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