Assessment of health-related quality of life in arthritis: conceptualization and development of five item banks using item response theory

<p>Abstract</p> <p>Background</p> <p>Modern psychometric methods based on item response theory (IRT) can be used to develop adaptive measures of health-related quality of life (HRQL). Adaptive assessment requires an item bank for each domain of HRQL. The purpose of this...

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Bibliographic Details
Main Authors: Abrahamowicz Michal, Badley Elizabeth M, Davis Aileen M, Sayre Eric C, Kopec Jacek A, Sherlock Lesley, Williams J Ivan, Anis Aslam H, Esdaile John M
Format: Article
Language:English
Published: BMC 2006-06-01
Series:Health and Quality of Life Outcomes
Online Access:http://www.hqlo.com/content/4/1/33