Because people choose these three elements: importance, preference and likelihood to evaluate all the possible alternatives to a decision which sometimes is not consistent with every decision situation, the concept of Analytical Hierarchy Process (AHP) was developed by Dr. Thomas Saaty. Dr. Saaty described the AHP as a decision making approach based on the "innate human ability to make sound judgments about small problems"
AHP transforms complex decision problems into simple decisions for both individuals and groups that employees the use of it to make decision. It is accommodative of intuition, compromise, and consensus structure without narrow-mindedness. The main purpose of this paper is to discuss what the AHP is and some other aspects of it.

What is AHP?
Saaty suggested AHP as a process that requires structuring the decision problem to demonstrate key elements and relationships that elicits judgments reflecting feelings or emotions, and whose judgments can be represented by meaningful numbers having ratio properties. In the AHP a...