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What Does Consistency Index of a Pairwise Comparison Measure? — Review of its Role
Yuji Sato
164 - 171
10.3233/978-1-61499-405-3-164
Frontiers in Artificial Intelligence and Applications
Volume 262: Smart Digital Futures 2014
Abstract

This paper reviews the role of Consistency Index of Analytic Hierarchy Process (AHP). On the hypothesis that the index is able to discriminate the consistency of judgments, discriminating power of the index is verified. The verification is carried out through survey questionnaire consisting of questions asking the same issue in different ways; one using so called ranking method, the other requires respondents to conduct pairwise comparisons. The result implies that the Consistency Index may not be able to distinguish the consistency of judgment.

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