Scoring based on item response theory did not improve the measurement ability of the EORTC QLQ-C30 scales

MAa Petersen, Mogens Grønvold, JB Bjorner, NK Aaronson, E Brenne, PM Fayers, JD Nielsen, MA Sprangers

Abstract

Item response theory, health-related quality of life, questionnaire, health status
Original languageEnglish
JournalJournal of Clinical Epidemiology
Issue number58
Pages (from-to)902-8
ISSN0895-4356
Publication statusPublished - 2005

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