Canadian Center of Science and Education
The Analytic Hierarchy Process (AHP), the multicriteria decisions making support methodology widely recognized and accepted as the prioritization and choice theory may deliver different answers for a decisional problem, providing various rankings of its alternative solutions. The variety in priorities order exists because there are many methods that can be successfully implemented within the AHP, although its inventor, Thomas Saaty strives to convince researchers that there is only one i.e. principal Right EigenVector method (REV) created alongside. Facts tell one however, that REV has some drawbacks and few flaws.