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A Graphical Screening Approach for Group Decisions Based on the Extended Case-Based Distance Method

Author

Listed:
  • Li-Ching Ma

    (Department of Information Management, National United University, 1, Lienda, Miaoli, Taiwan 36003, R.O.C.)

  • Pei-Pei Hsu

    (Department of Mechanical and Automation Engineering, I-Shou University, No. 1, Sec. 1, Syuecheng Rd., Dashu Township, Kaohsiung County 840, Taiwan, R.O.C.)

Abstract

For multiple criteria decision problems, screening is a helpful process for reducing a larger set of alternatives to a smaller one containing the best alternatives so that decision makers (DMs) can concentrate on evaluating alternatives within a smaller set. This study proposes a graphical approach based on the extended case-based distance method to assist individual as well as group DMs in screening and observing the case distances between alternatives and selected cases. Benchmark cases can thus be examined. The screening results of all DMs and the collective group decisions can be simultaneously observed on the same plane. An individual DM can also examine his/her own screening results and those of the group to identify the differences between individual judgments and the group's collective opinions. An interactive screening procedure for group decisions is represented to provide flexibility so that DMs can check and adjust their preferences iteratively.

Suggested Citation

  • Li-Ching Ma & Pei-Pei Hsu, 2014. "A Graphical Screening Approach for Group Decisions Based on the Extended Case-Based Distance Method," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 13(06), pages 1161-1181.
    • Handle: RePEc:wsi:ijitdm:v:13:y:2014:i:06:n:s0219622014500771
    DOI: 10.1142/S0219622014500771
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    Cited by:

    1. Li-Ching Ma, 2018. "Discovering Consensus Preferences Visually Based on Gower Plots," International Journal of Information Technology & Decision Making (IJITDM), World Scientific Publishing Co. Pte. Ltd., vol. 17(03), pages 741-761, May.
    2. Li-Ching Ma, 2017. "A Broad Case-Based Distance Approach for Screening with Different Target Points," Asia-Pacific Journal of Operational Research (APJOR), World Scientific Publishing Co. Pte. Ltd., vol. 34(04), pages 1-16, August.

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