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- Title
Nonparametric IRT analysis of Quality-of-Life Scales and its application to the World Health Organization Quality-of-Life Scale (WHOQOL-Bref).
- Authors
Sijtsma, Klaas; Emons, Wilco H M; Bouwmeester, Samantha; Nyklícek, Ivan; Roorda, Leo D
- Abstract
This study investigates the usefulness of the nonparametric monotone homogeneity model for evaluating and constructing Health-Related Quality-of-Life Scales consisting of polytomous items, and compares it to the often-used parametric graded response model.
- Publication
Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 2008, Vol 17, Issue 2, p275
- ISSN
0962-9343
- Publication type
Journal Article
- DOI
10.1007/s11136-007-9281-6