Re-evaluating a vision-related quality of life questionnaire with item response theory (IRT) and differential item functioning (DIF) analyses

R.M.A. van Nispen, D.L. Knol, M. Langelaan, G.H.M.B. van Rens

Research output: Contribution to journalArticleAcademicpeer-review

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Original languageUndefined/Unknown
Article number125
JournalBMC Medical Research Methodology
Volume11
DOIs
Publication statusPublished - 2011

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