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Eval Health Prof. 2005 Sep;28(3):264-82.

Item response theory and its applications to patient-reported outcomes measurement.

Author information

1
Feinberg School of Medicine, Northwestern University, USA.

Abstract

This article provides an overview of item response theory (IRT) models and how they can be appropriately applied to patient-reported outcomes (PROs) measurement. Specifically, the following topics are discussed: (a) basics of IRT, (b) types of IRT models, (c) how IRT models have been applied to date, and (d) new directions in applying IRT to PRO measurements.

PMID:
16123257
DOI:
10.1177/0163278705278275
[Indexed for MEDLINE]

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