Yiu, Hei Hang Edmund, Al-Janabi, Hareth, Stewart-Brown, Sarah L., Petrou, Stavros and Madan, Jason (2022) The use of composite time trade-off and discrete choice experiment methods for the valuation of the Short Warwick-Edinburgh Mental Well-being Scale (SWEMWBS) : a think-aloud study. Quality of Life Research, 31 . pp. 2739-2751. doi:10.1007/s11136-022-03123-0 ISSN 0962-9343. [ 🗎 Public]. [ (✓) hoa:511 ]

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Abstract

To identify patterns and problems in completing composite time trade-off (C-TTO) and discrete choice experiment (DCE) exercises for the valuation of the Short Warwick-Edinburgh Mental Well-being Scale (SWEMWBS) to inform the optimisation of a valuation protocol. Fourteen cognitive interviews were conducted in the UK using concurrent and retrospective think-aloud and probing techniques. Each participant completed 8 C-TTO tasks and 8 DCE tasks within a computer-assisted personal interview setting. Verbal information was transcribed verbatim. Axial coding and thematic analysis were used to organise the qualitative data and identify patterns and problems with the completion of tasks. While participants found the tasks generally manageable, five broad themes emerged to explain and optimise the response to the tasks. (1) Format and structure: attention to the design of practice examples, instructions, and layout were needed. (2) Items and levels: underlying relationships were discovered across different combinations of levels of SWEMWBS items. (3) Decision heuristics: participants engaged in diverse strategies to assist trade-off decisions. (4) Valuation feasibility: certain states were difficult to imagine, compare and quantify. (5) Valuation outcome: the data quality was affected by participants' discriminatory ability across states and their time trade-off decisions. The interviews contributed insights regarding the robustness of the proposed methods. The application of C-TTO and DCE valuation techniques was practical and suitable for capturing individual attitudes towards different mental well-being scenarios. A modified protocol informed by the results is being tested in a larger sample across the UK.

Item Type:	Journal Article
Subjects:	B Philosophy. Psychology. Religion > BF Psychology H Social Sciences > HN Social history and conditions. Social problems. Social reform
Divisions:	Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Clinical Trials Unit Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School
SWORD Depositor:	Library Publications Router
Library of Congress Subject Headings (LCSH):	Well-being , Well-being -- Measurement, Well-being -- Research -- Methodology, Cognition, Questionnaires -- Methodology
Journal or Publication Title:	Quality of Life Research
Publisher:	Springer Netherlands
ISSN:	0962-9343
Official Date:	September 2022
Dates:	Date Event September 2022 Published 24 March 2022 Available 11 March 2022 Accepted
Volume:	31
Page Range:	pp. 2739-2751
DOI:	10.1007/s11136-022-03123-0
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	29 April 2022
Date of first compliant Open Access:	3 May 2022
RIOXX Funder/Project Grant:	Project/Grant ID RIOXX Funder Name Funder ID Chancellor's International Scholarship University of Warwick http://dx.doi.org/10.13039/501100000741

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