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Title: A modified consensus-building methodology for reaching a group decision using minimum costs
Authors: Dr. KWOK Pak Ki, Alex 
Lau, Y. K. Henry 
Issue Date: 2018
Source: IEEE Access, 2018, vol. 6, pp. 3509-3523.
Journal: IEEE Access 
Abstract: This paper presents a methodology for building a consensus among the stakeholders based on the level of importance of each evaluation criterion to choose the best final design, approach, or solution for a project. The proposed methodology adopts an improved vague set minimum-cost consensus model (MCCM) and a modified Delphi method. This paper discusses several shortcomings of the traditional MCCM and the Delphi method. It argues that humans' resistance to change based on a numerical rating scale follows a natural logarithm pattern instead of a linear or quadratic pattern as claimed in other studies. Hence, the traditional MCCM needs to be revised accordingly. In addition, an experiment was concluded to compare the proposed consensus-building methodology with the traditional Delphi method. The experiment showed that the proposed methodology is better than the traditional Delphi method regarding using fewer rounds to reach a consensus. At last, this paper applies the proposed methodology to the field of road junction design selection.
Description: Open access
Type: Peer Reviewed Journal Article
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2017.2787677
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