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离散选择实验在新冠疫情研究中的应用:健康与交通领域调查质量的差异

Applications of discrete choice experiments in COVID-19 research: Disparity in survey qualities between health and transport fields.

作者信息

Haghani Milad, Bliemer Michiel C J, de Bekker-Grob Esther W

机构信息

Research Centre for Integrated Transport Innovation (rCITI), School of Civil and Environmental Engineering, The University of New South Wales, UNSW Sydney, Australia.

Institute of Transport and Logistics Studies (ITLS), The University of Sydney Business School, Sydney, Australia.

出版信息

J Choice Model. 2022 Sep;44:100371. doi: 10.1016/j.jocm.2022.100371. Epub 2022 Jul 21.

Abstract

Published choice experiments linked to various aspects of the COVID-19 pandemic are analysed in a rapid review. The aim is to (i) document the diversity of topics as well as their temporal and geographical patterns of emergence, (ii) compare various elements of design quality across different sectors of applied economics, and (iii) identify potential signs of convergent validity across findings of comparable experiments. Of the N = 43 published choice experiments during the first two years of the pandemic, the majority identifies with health applications (n = 30), followed by transport-related applications (n = 10). Nearly 100,000 people across the world responded to pandemic-related discrete choice surveys. Within health applications, while the dominant theme, up until June 2020, was lockdown relaxation and tracing measures, the focus shifted abruptly to vaccine preference since then. Geographical origins of the health surveys were not diverse. Nearly 50% of all health surveys were conducted in only three countries, namely US, China and The Netherlands. Health applications exhibited stronger pre-testing and larger sample sizes compared to transport applications. Limited signs of convergent validity were identifiable. Within some applications, issues of temporal instability as well as hypothetical bias attributable to social desirability, protest response or policy consequentiality seemed likely to have affected the findings. Nevertheless, very few of the experiments implemented measures of hypothetical bias mitigation and those were limited to health studies. Our main conclusion is that swift administration of pandemic-related choice experiments has overall resulted in certain degrees of compromise in study quality, but this has been more so the case in relation to transport topics than health topics.

摘要

一项快速综述分析了与新冠疫情各方面相关的已发表选择实验。目的是:(i)记录主题的多样性及其出现的时间和地理模式;(ii)比较应用经济学不同领域设计质量的各个要素;(iii)在可比实验的结果中识别收敛效度的潜在迹象。在疫情头两年发表的N = 43项选择实验中,大多数与健康应用相关(n = 30),其次是与交通相关的应用(n = 10)。全球近10万人对与疫情相关的离散选择调查做出了回应。在健康应用方面,直到2020年6月,主要主题是封锁放松和追踪措施,从那时起重点突然转向疫苗偏好。健康调查的地理来源并不多样。所有健康调查中近50%仅在三个国家进行,即美国、中国和荷兰。与交通应用相比,健康应用表现出更强的预测试和更大的样本量。可识别的收敛效度迹象有限。在一些应用中,时间不稳定性问题以及因社会期望、抗议反应或政策重要性导致的假设偏差似乎可能影响了研究结果。然而,实施假设偏差缓解措施的实验很少,而且仅限于健康研究。我们的主要结论是,与疫情相关的选择实验的迅速实施总体上导致了研究质量在一定程度上的妥协,但在交通主题方面比健康主题更为明显。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d07d/9301170/8263b94a9a8f/gr1_lrg.jpg

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