Multidimensional Item Response Theory in Clinical Measurement: A Bifactor Graded-Response Model Analysis of the Outcome-Questionnaire-45.2

Bifactor Item Response Theory (IRT) models are presented as a plausible structure for psychological measures with a primary scale and two or more subscales. A bifactor graded response model, appropriate for polytomous categorical data, was fit to two university counseling center datasets (N=4,679 an...

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Bibliographic Details
Main Author: Berkeljon, Arjan
Format: Others
Published: BYU ScholarsArchive 2012
Subjects:
Online Access:https://scholarsarchive.byu.edu/etd/3568
https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=4567&context=etd

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