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.
Original language | English |
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Pages (from-to) | 264-282 |
Number of pages | 19 |
Journal | Evaluation and the Health Professions |
Volume | 28 |
Issue number | 3 |
DOIs | |
State | Published - 09 2005 |
Externally published | Yes |
Keywords
- Assessment
- Computerized adaptive testing
- Health
- Item response theory
- Outcomes