Comparison of SAW, RAM, and TOPSIS Methods in Multi-Criteria Decision Making: Application in Selecting Waterproofing Materials Imported From Malaysia

SAW is the oldest method among the multi-criteria decision-making (MCDM) approaches.On the other hand, RAM is known to be the newest method.TOPSIS is a highly renowned method and is the most widely used among MCDM methods.A question arises as to which method is deemed superior to the other two.The answer to this question is first found in this study.The selection of waterproofing materials is the problem used to compare the three aforementioned methods.The results indicated that RAM and TOPSIS are equally effective and superior to the SAW method.