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Time for Tele-TTO? Lessons Learned From Digital Interviewer-Assisted Time Trade-Off Data Collection

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  • Stefan A. Lipman

    (Erasmus University Rotterdam)

Abstract

The preferred mode of administration of time trade-off (TTO) in large-scale valuation studies is face-to-face (personal) interviews facilitated by a trained interviewer. Geographical, financial or situational constraints could complicate personal TTO interviews. When facing such constraints, the use of digital interviews, in which trained interviewers facilitate through videotelephony software (i.e. tele-TTO) may be considered. This paper aims to guide researchers in how to approach tele-TTO interviews and discusses their advantages and disadvantages. The main advantages of tele-TTO compared to personal TTO are decreased need for travel and increased flexibility of interview scheduling, which could reduce costs and may foster representative sampling. Possible disadvantages of tele-TTO are partial loss of visual cues, complications with building rapport and possible selection effects that result from differences in interview preparation. Furthermore, the paper reports on lessons learned from a project in which both personal TTO and tele-TTO interviews were conducted. The results of this project suggest that although they require a different recruitment and interview process, tele-TTO interviews are feasible and provide flexibility to the interviewer. Furthermore, tele-TTO interviews yield largely similar results. Future research should explore the role of possible selection effects and respondents’ perspective on tele-TTO interviews.

Suggested Citation

  • Stefan A. Lipman, 2021. "Time for Tele-TTO? Lessons Learned From Digital Interviewer-Assisted Time Trade-Off Data Collection," The Patient: Patient-Centered Outcomes Research, Springer;International Academy of Health Preference Research, vol. 14(5), pages 459-469, September.
    • Handle: RePEc:spr:patien:v:14:y:2021:i:5:d:10.1007_s40271-020-00490-z
    DOI: 10.1007/s40271-020-00490-z
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    References listed on IDEAS

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    1. Mariscal, Judith, 0. "Digital divide in a developing country," Telecommunications Policy, Elsevier, vol. 29(5-6), pages 409-428, June.
    2. Lidia Engel & Nick Bansback & Stirling Bryan & Mary M. Doyle-Waters & David G. T. Whitehurst, 2016. "Exclusion Criteria in National Health State Valuation Studies," Medical Decision Making, , vol. 36(7), pages 798-810, October.
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    Cited by:

    1. Stefan A. Lipman & Liying Zhang & Koonal K. Shah & Arthur E. Attema, 2023. "Time and lexicographic preferences in the valuation of EQ-5D-Y with time trade-off methodology," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 24(2), pages 293-305, March.
    2. Peasgood, Tessa & Bourke, Mackenzie & Devlin, Nancy & Rowen, Donna & Yang, Yaling & Dalziel, Kim, 2023. "Randomised comparison of online interviews versus face-to-face interviews to value health states," Social Science & Medicine, Elsevier, vol. 323(C).
    3. Rowen, Donna & Mukuria, Clara & Bray, Nathan & Carlton, Jill & Longworth, Louise & Meads, David & O'Neill, Ciaran & Shah, Koonal & Yang, Yaling, 2022. "Assessing the comparative feasibility, acceptability and equivalence of videoconference interviews and face-to-face interviews using the time trade-off technique," Social Science & Medicine, Elsevier, vol. 309(C).

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