Group decision-making: Head-count versus intensity of preference |
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Authors: | Thomas L Saaty [Author Vitae] Jen S Shang [Author Vitae] |
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Institution: | The Katz Graduate School of Business, University of Pittsburgh, Pittsburgh, PA 15260, USA |
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Abstract: | This paper puts forth a framework for reshaping the group decision-making process. The proposed framework extends from the usual one-issue-at-a-time decision-making to one that involves several related issues simultaneously. Weaknesses of the traditional majority voting mechanism are first identified, and then a different voting method that takes each individual voter's sentiment into account is discussed. Specifically, a decision-maker is asked to express his/her intensity of preference for the issues encountered. Three hierarchical structures—benefits, costs, and risks—are developed to evaluate the alternatives. Due to the nature of pairwise comparisons and synthesis, the proposed method is amenable to consensus building and has higher reliability and consistency. It can be used for candidate selection, e.g. governmental election, when a large population is involved. It is also effective for resource allocation and prioritization when a small group or business is concerned. We believe the proposed approach has potential for resolving deficiencies of the conventional voting mechanism, and can be applied to many real-world problems. Its implementation on the Internet is also discussed. |
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Keywords: | Group decision-making AHP Multiple-issue agendas Voting Intensity of preference Internet |
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