Fibonacci Series-Based Pairwise Comparison Scale for Analytic Hierarchy Process

Can Yıldırım, Boğaç, Karakaya, Gülşah and Gonul, Sinan (2021) Fibonacci Series-Based Pairwise Comparison Scale for Analytic Hierarchy Process. International Journal of Information Technology & Decision Making, 20 (3). pp. 959-986. ISSN 0219-6220

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The Analytic Hierarchy Process (AHP) is one of the most widely used quantitative tools in multi-criteria decision-making problems. Despite its popularity and use due to its simple but systematic procedure, AHP has limitations especially in terms of the numerical comparison scale used in one of its core steps: pairwise comparisons. AHP is based on verbal comparisons of alternatives/criteria, which are, then, converted into quantitative scores with a one-to-one mapping between the verbal comparisons and a predetermined numerical scale. The choice of the numerical scale affects an essential characteristic of pairwise comparisons: consistency. In order to understand the intrinsic consistency propinquities, this study evaluates the most widely used numerical pairwise comparison scale (Fundamental Scale) and other numerical scales that have been proposed since the initial formulation of AHP. After identifying the limitations of known scales, a new scale based on Fibonacci series is developed considering these limitations, and further analysis is conducted through extensive simulations. The results show that the proposed scale performs well when compared to the other scales.

Item Type: Article
Uncontrolled Keywords: numerical comparison, AHP, comparison scale, Fibonacci, exponential, consistency
Subjects: C800 Psychology
Department: Faculties > Business and Law > Newcastle Business School
Depositing User: John Coen
Date Deposited: 11 May 2021 08:18
Last Modified: 16 Apr 2022 03:30

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