Journal
HEALTH ECONOMICS
Volume 14, Issue 10, Pages 1079-1083Publisher
WILEY
DOI: 10.1002/hec.984
Keywords
discrete choice experiments; effects coding; dummy coding; status quo bias
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This paper discusses the inherent problems associated with applying dummy coding when including a fixed comparator in a discrete choice experiment, and seeks to illustrate the misinterpretations that may arise if the analyst is not aware of the problem. This note provides two examples of possible misinterpretations with dummy coding and how it is solved with the use of effects coding. Copyright (c) 2005 John Wiley & Sons, Ltd.
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