title: Best-worst scaling vs. discrete choice experiments: an empirical comparison using social care data.
abstract: This paper presents empirical findings from the comparison between two principal preference elicitation techniques: discrete choice experiments and profile-based best-worst scaling. Best-worst scaling involves less cognitive burden for respondents and provides more information than traditional "pick-one" tasks asked in discrete choice experiments. However, there is lack of empirical evidence on how best-worst scaling compares to discrete choice experiments. This empirical comparison between discrete choice experiments and best-worst 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 best-worst scaling and discrete choice experiments do reveal similar patterns in preferences and in the majority of cases preference weights--when normalised/rescaled--are not significantly different.
authors.affiliation: RAND Europe, Westbrook Centre, Milton Road, Cambridge CB41YG, Cambridgeshire, United Kingdom. dimitris@rand.org
authors.forename: Dimitris
authors.initials: D
authors.lastname: Potoglou
authors.forename: Peter
authors.initials: P
authors.lastname: Burge
authors.forename: Terry
authors.initials: T
authors.lastname: Flynn
authors.forename: Ann
authors.initials: A
authors.lastname: Netten
authors.forename: Juliette
authors.initials: J
authors.lastname: Malley
authors.forename: Julien
authors.initials: J
authors.lastname: Forder
authors.forename: John E
authors.initials: JE
authors.lastname: Brazier
mesh_terms: D000368:Aged; D002755:Choice Behavior; D005260:Female; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D008875:Middle Aged; D015233:Models, Statistical; D057240:Patient Preference; D011788:Quality of Life; D011795:Surveys and Questionnaires; D006113:United Kingdom