Can a Discrete Choice Experiment contribute to person-centred healthcare?

Mette Kjer Kaltoft, Jesper Bo Nielsen, Glenn Salkeld, Jack Dowie

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In person-centred decision making the relative importance of the considerations that matter to the person is elicited and combined, at the point of decision, with the best estimates available on the performance of the available options on those criteria. Whatever procedure is used to implement this in a clinical decision, average preferences emerging from group or subgroup research cannot contribute directly, since they can have only a statistical relationship with the preferences of the individual person. The precise relationship is knowable by eliciting those of the individual concerned, but there would be little point consulting the averages if this is done. A scan of recent Discrete Choice Experiment (DCE) publications reveals frequent claims that the group-level results can somehow contribute to, or facilitate, better clinical decision making. Typically there are only vague or ambiguous indications of how this could happen, the ambiguity often arising from the use and positioning of the apostrophe in the words persons and patients. Only when the person opts out of preference provision and asks to be treated as ‘average’, can the results of a DCE have clinical relevance in genuinely person-centred healthcare. One cannot derive an ought from an is and one cannot derive an I from a they. DCE researchers should refrain from implying that their results could, let alone should, have any impact on person-centred clinical decisions. Group-level DCE results are clearly conceptually appropriate for health system or service decisions, but the suggestion that they have clinical relevance is a serious deterrent to the development and provision of effective means of individual preference elicitation and specification at the point of decision. Those who wish to foster person-centred care should be alert to the dangers of claims based on group-level analyses such as DCEs.
Original languageEnglish
JournalEuropean Journal for Person Centered Healthcare
Volume3
Issue number4
Pages (from-to)431-437
Publication statusPublished - 2015

Keywords

  • Discrete Choice Experiment; Conjoint Analysis; person-centered care; patient-centred care; clinical decision making; preferences

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