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Bafahm, A., & Sun, M. (2018). Some conflicting results in the analytic hierarchy process. International Journal of Information Technology & Decision Making, 17, 
Added by: Klaus D. Goepel (08 Jun 2019 05:19:11 Asia/Singapore)   Last edited by: Klaus D. Goepel (08 Jun 2019 05:27:39 Asia/Singapore)
Resource type: Journal Article
DOI: 10.1142/S0219622018500517
BibTeX citation key: Bafahm2018
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Categories: AHP/ANP
Keywords: Analytic Hierarchy Process (AHP), conflicting results
Creators: Bafahm, Sun
Publisher: World Scientific Publishing Company
Collection: International Journal of Information Technology & Decision Making
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Popularity index: 66.25%

The analytic hierarchy process (AHP) has been believed to be one of the most pragmatic and widely accepted methods for multi-criteria decision making. However, there have been various criticisms of this method within the last four decades. In this study, the results of AHP contradicting common expectations are examined for both the distributive and ideal modes. Specifically, conflicting priorities, conficting decisions, and conflicting preference relations are investigated. A decision-making scenario is used throughout the paper and an illustrative ex- ample constructed from the decision-making scenario is provided to demonstrate each of the conflicting results recommended by AHP. With a parametric formulation of each unexpected result, the possibility of unexpected results of AHP is generalized irrespective of applying the distributive or ideal mode. The logic and causes of these contradictions are also analyzed. This study shows that AHP is not always reliable, and could lead the decision makers towards incorrect decisions.

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