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ERIC Number: EJ1099055
Record Type: Journal
Publication Date: 2016-Jun
Pages: 17
Abstractor: As Provided
ISSN: ISSN-0013-1644
A Comprehensive Regression-Based Approach for Identifying Sources of Person Misfit in Typical-Response Measures
Ferrando, Pere J.; Lorenzo-Seva, Urbano
Educational and Psychological Measurement, v76 n3 p470-486 Jun 2016
This article proposes a general parametric item response theory approach for identifying sources of misfit in response patterns that have been classified as potentially inconsistent by a global person-fit index. The approach, which is based on the weighted least squared regression of the observed responses on the model-expected responses, can be used with a variety of unidimensional and multidimensional models intended for binary, graded, and continuous responses and consists of procedures for identifying (a) general deviation trends, (b) local inconsistencies, and (c) single response inconsistencies. A free program called REG-PERFIT that implements most of the proposed techniques has been developed, described, and made available for interested researchers. Finally, the functioning and usefulness of the proposed procedures is illustrated with an empirical study based on a statistics-anxiety scale.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A