In addition to the Time Trade-Off approach, the Visual Analogue Scale (VAS) has become the other widely used method to elicit preferences for the EQ-5D. Its less demanding nature, easy administration, and favourable evidence regarding its psychometric characteristics made the VAS attractive to include in large postal surveys in more than 10 countries.
CITATION STYLE
Oppe, M., Szende, A., & de Charro, F. (2007). Comparative review of Visual Analogue Scale value sets. In EQ-5D Value Sets (pp. 29–38). Springer Netherlands. https://doi.org/10.1007/1-4020-5511-0_3
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