Best-worst scaling vs. discrete choice experiments: An empirical comparison using social care data

Publisher:
Pergamon-Elsevier Science Ltd
Publication Type:
Journal Article
Citation:
Social Science & Medicine, 2011, 72 (10), pp. 1717 - 1727
Issue Date:
2011-01
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This paper presents empirical findings from the comparison between two principal preference elicitation techniques: discrete choice experiments and profile-based best-worst scaling. This paper presents empirical findings from the comparison between two principal preference elicitation techniques: discrete choice experiments and profile-based besteworst scaling. Besteworst scaling involves less cognitive burden for respondents and provides more information than traditional pickone tasks asked in discrete choice experiments. However, there is lack of empirical evidence on how besteworst scaling compares to discrete choice experiments. This empirical comparison between discrete choice experiments and besteworst scaling was undertaken as part of the Outcomes of Social Care for Adults project, England, which aims to develop a weighted measure of social care outcomes. The findings show that preference weights from besteworst scaling and discrete choice experiments do reveal similar patterns in preferences and in the majority of cases preference weights e when normalised/ rescaled e are not significantly different.
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