PMID- 34226821 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20221221 IS - 1568-4946 (Print) IS - 1872-9681 (Electronic) IS - 1568-4946 (Linking) VI - 110 DP - 2021 Oct TI - Evaluation of government strategies against COVID-19 pandemic using q-rung orthopair fuzzy TOPSIS method. PG - 107653 LID - 10.1016/j.asoc.2021.107653 [doi] AB - The COVID-19 outbreak, which emerged in China and continues to spread rapidly all over the world, has brought with it increasing numbers of cases and deaths. Governments have suffered serious damage and losses not only in the field of health but also in many other fields. This has directed governments to adopt and implement various strategies in their communities. However, only a few countries succeed partially from the strategies implemented while other countries have failed. In this context, it is necessary to identify the most important strategy that should be implemented by governments. A decision problem based on the decisions of many experts, with some contradictory and multiple criteria, should be taken into account in order to evaluate the multiple strategies implemented by various governments. In this study, this decision process is considered as a multi-criteria decision making (MCDM) problem that also takes into account uncertainty. For this purpose, q-rung orthopair fuzzy sets (q-ROFSs) are used to allow decision-makers to their assessments in a wider space and to better deal with ambiguous information. Accordingly, two different Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) approaches are recommended under the q-ROFS environment and applied to determine the most appropriate strategy. The results of the proposed approaches determine the A1 - Mandatory quarantine and strict isolation strategy as the best strategy. Comparisons with other q-rung orthopair fuzzy MCDM methods and intuitionistic fuzzy TOPSIS method are also presented for the validation of the proposed methods. Besides, sensitivity analyses are conducted to check the robustness of the proposed approaches and to observe the effect of the change in the q parameter. CI - (c) 2021 Elsevier B.V. All rights reserved. FAU - Alkan, Nursah AU - Alkan N AD - Istanbul Technical University, Industrial Engineering Department, 34367 Macka, Istanbul, Turkey. FAU - Kahraman, Cengiz AU - Kahraman C AD - Istanbul Technical University, Industrial Engineering Department, 34367 Macka, Istanbul, Turkey. LA - eng PT - Journal Article DEP - 20210630 PL - United States TA - Appl Soft Comput JT - Applied soft computing JID - 101536968 PMC - PMC8241659 OTO - NOTNLM OT - COVID-19 OT - MCDM OT - Q-rung orthopair fuzzy sets OT - Strategy selection OT - TOPSIS COIS- The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper. EDAT- 2021/07/07 06:00 MHDA- 2021/07/07 06:01 PMCR- 2021/06/30 CRDT- 2021/07/06 06:36 PHST- 2020/11/24 00:00 [received] PHST- 2021/05/12 00:00 [revised] PHST- 2021/06/22 00:00 [accepted] PHST- 2021/07/06 06:36 [entrez] PHST- 2021/07/07 06:00 [pubmed] PHST- 2021/07/07 06:01 [medline] PHST- 2021/06/30 00:00 [pmc-release] AID - S1568-4946(21)00574-3 [pii] AID - 107653 [pii] AID - 10.1016/j.asoc.2021.107653 [doi] PST - ppublish SO - Appl Soft Comput. 2021 Oct;110:107653. doi: 10.1016/j.asoc.2021.107653. Epub 2021 Jun 30.