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What is Visual Analogue Scale

Chapter 45
Handbook of Research on Information Technology Management and Clinical Data Administration in Healthcare
A form of assessment that asks respondents to provide their rating of a question on a numeric linear scale that traditionally ranges from zero to one hundred.
Published in Chapter:
Health-Related Quality of Life Measures in the Information Age
Kevin Warrian (University of Western Ontario, Canada) and George Spaeth (Jefferson Medical College and Wills Eye Institute, USA)
Copyright: © 2009 |Pages: 21
DOI: 10.4018/978-1-60566-356-2.ch045
Abstract
This chapter provides an introduction to a variety of essential issues concerning quality of life (QoL) as a social-scientific construct. The chapter begins with an introduction to the notion of QoL as an essentially contested concept and provides a taxonomy for classifying various instruments. The various methods of operationalizing the measurement of health-related quality of life (HRQoL) are outlined and a variety of practical examples are provided. A range of methods of determining the validity, reliability, and responsiveness of QoL measures are discussed to provide the reader with the tools necessary to critically evaluate the broad range of QoL instruments available. Finally, the scope of employment of QoL instruments is explored and several important limitations of this mode of assessment are discussed.
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