Consistency stability intervals for a judgement in analytic hierarchy process decision support systems

Consistency stability intervals for a judgement in analytic hierarchy process decision support systems

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Article ID: iaor20042850
Country: Netherlands
Volume: 145
Issue: 2
Start Page Number: 382
End Page Number: 393
Publication Date: Mar 2003
Journal: European Journal of Operational Research
Authors: , ,
Keywords: decision theory: multiple criteria, analytic hierarchy process
Abstract:

This paper focuses on the need to evaluate the consistency of human judgements in decision support systems (DSS). In this sense, and in the context of one of the most applied multicriteria methodologies, the analytic hierarchy process (AHP), we obtain the consistency stability interval (CSI) associated with each judgement, that is to say, the interval in which this can oscillate without exceeding a value of the consistency measure fixed in advance. To calculate these CSIs, we consider the row geometric mean method as the priorisation procedure, the geometric consistency index as the consistency measure and a local situation with one criterion. The proposed procedure has been implemented in a module that is easily adaptable to any Decision Support System based on AHP.

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