A randomised comparison of a four- and a five-point scale version of the Norwegian Function Assessment Scale
<p>Abstract</p> <p>Background</p> <p>There is variation in the number of response alternatives used within health-related questionnaires. This study compared a four-and a five-point scale version of the Norwegian Function Assessment Scale (NFAS) by evaluating data quali...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2008-02-01
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Series: | Health and Quality of Life Outcomes |
Online Access: | http://www.hqlo.com/content/6/1/14 |