Using the Analytic Hierarchy Process as a Two-phase Integrated Decision Approach for Large Nominal Groups

Robert L. Armacost, Jamshid C. Hosseini and Julie Pet-Edwards
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Robert L. Armacost: University of Central Florida
Jamshid C. Hosseini: Marquette University
Julie Pet-Edwards: University of Central Florida

Group Decision and Negotiation, 1999, vol. 8, issue 6, No 5, 535-555

Abstract: Abstract When decision makers who comprise a large nominal group face an unstructured decision problem and no simultaneous interactive communications are available, problem identification and consensus building are difficult, if not impossible. Few tools are available to assist decision makers in this situation. The Analytic Hierarchy Process (AHP) has typically been used to evaluate a set of alternatives after a decision problem has been structured as a hierarchy with various levels of criteria above the alternatives. With a group of decision makers, AHP has been used to evaluate those alternatives either by consensus building or by combining judgments or priorities using the geometric mean to aggregate their preferences. In this paper, we extend the use of AHP to a situation involving a large nominal group of dispersed decision makers where the entire hierarchy is not defined at the outset. In particular, we use the AHP as an integrative approach to identify the priorities of the various criteria and then use those priorities to screen and consolidate a large set of potential alternatives. This results in considering a reduced set of alternatives that will be affected by the more important criteria. The consolidated set of alternatives is evaluated by each individual in the group using AHP, combined using the geometric mean, and the results are synthesized to obtain the overall priorities of the alternatives. The approach is demonstrated and evaluated in a case study to select an alunmi anniversary gift to the U.S. Coast Guard Academy with a large nominal group of decision-makers dispersed throughout the United States.

Keywords: group decision making; geographically dispersed decision makers; Analytic Hierarchy Process; nominal groups (search for similar items in EconPapers)
Date: 1999
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Citations: View citations in EconPapers (3)

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DOI: 10.1023/A:1008622202638

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