The visual analog rating scale of health-related quality of life: an examination of end-digit preferences
<p>Abstract</p> <p>Background</p> <p>The Visual Analog Scale (VAS) has been extensively used in the valuation of health-related quality of life (HRQL). The objective of this paper is to examine the measurement error (rounding) explanation for the higher prevalence of VA...
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| Format: | Article |
| Language: | English |
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BMC
2005-11-01
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| Series: | Health and Quality of Life Outcomes |
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| Online Access: | http://www.hqlo.com/content/3/1/71 |