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

P Iz and Mt Jelassi

Omega, 1990, vol. 18, issue 6, 595-604

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.

Keywords: group; decisions; multiple; criteria; decision-making; multiobjective; programming; interactive; procedures; empirical; study (search for similar items in EconPapers)
Date: 1990
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Citations: View citations in EconPapers (6)

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