Feasibility, validity and test–retest reliability of scaling methods for health states: The visual analogue scale and the time trade-off
- 1 January 1999
- journal article
- Published by Springer Nature in Quality of Life Research
- Vol. 8 (4) , 303-310
- https://doi.org/10.1023/a:1008952423122
Abstract
The feasibility, validity and reliability of the Time Trade-Off (TTO) and Visual Analogue Scale (VAS) methods in obtaining preference values for health states were compared in a random sample of the...Keywords
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