and reproducibility which was assessed in the stable subjects of the reproducibility sample. The feasibility of assessing QOL using a self-administered questionnaire was evaluated by the quality ...

The value of strong questionnaire design, complemented by the task of high-quality sample development, is not fully appreciated. Too often researchers relegate those two essential building blocks of ...

Researchers and practitioners across the globe frequently use the 'EORTC' questionnaire to measure self-reported quality of life of cancer patients. For the first time, a group of researchers from ...