Journal article
Visual Analog Scales
Abstract
Visual analog scales (VASs) have long been used as a method of measuring preferences for health outcomes. They are easy and inexpensive to implement, can be administered quickly, and lend themselves to self-completion. Over time, however, disturbing questions have emerged concerning the validity of the VAS approach. This article reviews briefly the history, theory, practice, problems, and advantages of VASs; presents some suggestions to improve …
Authors
Torrance GW; Feeny D; Furlong W
Journal
Medical Decision Making, Vol. 21, No. 4, pp. 329–334
Publisher
SAGE Publications
Publication Date
August 1, 2001
DOI
10.1177/0272989x0102100408
ISSN
0272-989X