Practical Issues in the Application of Item Response Theory
Medical CarePublished 18 April 2007
Cheryl Hill, Michael C. Edwards, David Thissen, Michelle M. Langer, R. Wirth, Tasha M. Burwinkle
Citations76
SJR quartileQ1
SJR score1.57
SNIP1.38
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TL;DR
Results obtained using categorical confirmatory factor analysis (CCFA) to check IRT model assumptions and the application of IRT in item analysis and scale evaluation are discussed, offering insight into ways information gained through IRT can be applied to evaluate items and aid in scale construction.
Abstract
This article describes CCFA methods for checking IRT model assumptions and provides suggestions for using these methods in practice. It offers insight into ways information gained through IRT can be applied to evaluate items and aid in scale construction.
Keywords
PsychologyDecision Sciences
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