Development of computerized adaptive testing (CAT) for the EORTC QLQ-C30 physical functioning dimension: General approach and initial results for physical functioning

Morten Aagaard Petersen, Mogens Grønvold, Neil K. Aaronson, Wei-Chu Chi, Thierry Conroy, Anna Constantini, Peter Fayers, Jorunn Helbostad, Bernhard Holzner, Stein Kaasa, Susanne Singer, Galina Velikova, Teresa Young

27 Citationer (Scopus)

Abstract

Computerized adaptive test (CAT) methods, based on item response theory (IRT), enable a patient-reported outcome instrument to be adapted to the individual patient while maintaining direct comparability of scores. The EORTC Quality of Life Group is developing a CAT version of the widely used EORTC QLQ-C30. We present the development and psychometric validation of the item pool for the first of the scales, physical functioning (PF).
OriginalsprogEngelsk
TidsskriftQuality of Life Research
Vol/bind20
Udgave nummer4
Sider (fra-til)479-90
Antal sider12
ISSN0962-9343
DOI
StatusUdgivet - 1 maj 2011

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