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Comparing internet and face-to-face surveys as methods for eliciting preferences for social care-related quality of life: evidence from England using the ASCOT service user measure

Saloniki, Eirini-Christina and Malley, Juliette and Burge, Peter and Lu, Hui and Batchelder, Laurie and Linnosmaa, Ismo and Trukeschitz, Birgit and Forder, Julien (2019) Comparing internet and face-to-face surveys as methods for eliciting preferences for social care-related quality of life: evidence from England using the ASCOT service user measure. Quality of Life Research. pp. 1-14. ISSN 1573-2649

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Abstract

Purpose Traditionally, researchers have relied on eliciting preferences through face-to-face interviews. Recently, there has been a shift towards using internet-based methods. Different methods of data collection may be a source of variation in the results. In this study, we compare the preferences for the Adult Social Care Outcomes Toolkit (ASCOT) service user measure elicited using best-worst scaling (BWS) via a face-to-face interview and an online survey. Methods Data were collected from a representative sample of the general population in England. The respondents (face-toface: n = 500; online: n = 1001) completed a survey, which included the BWS experiment involving the ASCOT measure. Each respondent received eight best-worst scenarios and made four choices (best, second best, worst, second worst) in each scenario. Multinomial logit regressions were undertaken to analyse the data taking into account differences in the characteristics of the two samples and the repeated nature of the data. Results We initially found a number of small significant differences in preferences between the two methods across all ASCOT domains. These differences were substantially reduced-from 15 to 5 out of 30 coefficients being different at the 5% Level-and remained small in value after controlling for differences in observable and unobservable characteristics of the two samples. Conclusions This comparison demonstrates that face-to-face and internet surveys may lead to fairly similar preferences for social care-related quality of life when differences in sample characteristics are controlled for. With or without a constant sampling frame, studies should carefully design the BWS exercise and provide similar levels of clarification to participants in each survey to minimise the amount of error variance in the choice process.

Item Type: Article
Additional Information: This project was funded by the NORFACE Welfare State Futures programme under Grant Number 462-14-160. In addition, the Austrian contribution to this project was co-funded by the Austrian Science Fund (FWF) and the Vienna Social Fund (FSW,Project Number I 2252-G16), and the Finnish input was co-funded by the National Institute for Health and Welfare (THL), Finland.
Keywords: Preferences, Face-to-face, Internet, Care, Quality of life, ASCOT
Divisions: Forschungsinstitute > Altersökonomie
Version of the Document: Published
Depositing User: Gertraud Novotny
Date Deposited: 04 Apr 2019 14:08
Last Modified: 04 Apr 2019 14:09
Related URLs:
FIDES Link: https://bach.wu.ac.at/d/research/results/90624/
URI: http://epub.wu.ac.at/id/eprint/6910

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