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An interactive group decision aid for multiobjective problems: An empirical assessment

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  • Iz, P
  • Jelassi, MT

Abstract

Organizations are frequently required to make decisions about multiobjective problems. The complexity of such decision processes increases drastically when the participation of multiple decision makers becomes necessary. This is primarily due to the unique preference structures of the participants whose individual judgements of the 'best compromise solution' may not coincide. Nominal and/or interacting groups have been found to improve the decision-making effectiveness and efficiency associated with such multiple objective, multiple decision-maker problems. This study reports the results of a laboratory experiment involving the use of an interactive multiobjective group decision aid. The effect of two independent variables on a set of performance measures is investigated. The first independent variable is the presence or absence of a formal preference aggregation procedure in a group decision aid. The strength of decision-maker's linear programming background is the second independent variable. The dependent variables are solution quality, speed of convergence to a final agreement, and user confidence in the best compromise solution. Analysis and implications of the experimental results are provided and future research work is outlined.

Suggested Citation

  • Iz, P & Jelassi, MT, 1990. "An interactive group decision aid for multiobjective problems: An empirical assessment," Omega, Elsevier, vol. 18(6), pages 595-604.
  • Handle: RePEc:eee:jomega:v:18:y:1990:i:6:p:595-604
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    Citations

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    Cited by:

    1. Salo, Ahti A., 1995. "Interactive decision aiding for group decision support," European Journal of Operational Research, Elsevier, vol. 84(1), pages 134-149, July.
    2. Ann Davey & David Olson, 1998. "Multiple Criteria Decision Making Models in Group Decision Support," Group Decision and Negotiation, Springer, vol. 7(1), pages 55-75, January.
    3. Angur, Madhukar G. & Lotfi, Vahid & Sarkis, Joseph, 1996. "A hybrid conjoint measurement and bi-criteria model for a two group negotiation problem," Socio-Economic Planning Sciences, Elsevier, vol. 30(3), pages 195-206, September.
    4. Bose, Utpal & Davey, Anne M. & Olson, David L., 1997. "Multi-attribute utility methods in group decision making: Past applications and potential for inclusion in GDSS," Omega, Elsevier, vol. 25(6), pages 691-706, December.
    5. Guangquan Zhang & Jie Lu, 2003. "An Integrated Group Decision-Making Method Dealing with Fuzzy Preferences for Alternatives and Individual Judgments for Selection Criteria," Group Decision and Negotiation, Springer, vol. 12(6), pages 501-515, November.
    6. Wen-Hsien Tsai & Ching-Chien Yang & Jun-Der Leu & Ya-Fen Lee & Chih-Hao Yang, 2013. "An Integrated Group Decision Making Support Model for Corporate Financing Decisions," Group Decision and Negotiation, Springer, vol. 22(6), pages 1103-1127, November.

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