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The practical impact of differential item functioning analyses in a health-related quality of life instrument

โœ Scribed by Neil W. Scott; Peter M. Fayers; Neil K. Aaronson; Andrew Bottomley; Alexander de Graeff; Mogens Groenvold; Chad Gundy; Michael Koller; Morten A. Petersen; Mirjam A. G. Sprangers

Publisher
Springer Netherlands
Year
2009
Tongue
English
Weight
237 KB
Volume
18
Category
Article
ISSN
0962-9343

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The practical impact of differential ite
The practical impact of differential item functioning analyses in a health-related quality of life instrument
โœ Neil W. Scott; Peter M. Fayers; Neil K. Aaronson; Andrew Bottomley; Alexander de ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Springer Netherlands ๐ŸŒ English โš– 237 KB

## Introduction: Differential item functioning (dif) analyses are commonly used to evaluate health-related quality of life (hrqol) instruments. there is, however, a lack of consensus as to how to assess the practical impact of statistically significant dif results. ## Methods: Using our previousl