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TATOPSIS: A decision support system for selecting a major in university with a two-way approach and TOPSIS

1Informatics Department, Faculty of Mathematics and Natural Science, Universitas Sebelas Maret. Jl. Ir Sutami 36 A, Surakarta, Central Java 57126, Indonesia

2Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret. Jl. Ir Sutami 36 A, Surakarta, Central Java 57126, Indonesia

3Department of Informatics and Computer Technology Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret. Jl. Ir Sutami 36 A, Surakarta, Central Java 57126 , Indonesia

Received: 21 Jan 2021; Revised: 6 Nov 2021; Accepted: 20 Jan 2022; Published: 31 Jan 2022.
Open Access Copyright (c) 2022 The authors. Published by Department of Computer Engineering, Universitas Diponegoro
Creative Commons License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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Abstract
Several problems can occur when students feel they have made the wrong choice of major in university. Choosing a major is one of the problems that students often face. Therefore, this study aims to develop a Decision Support System (DSS) to help students find majors that match their interests and abilities. This DSS proposes a two-way approach by considering students and the major's requirements, standards, and characteristics. The DSS utilizes the TOPSIS method; therefore, it is called TATOPSIS, which stands for Two-way Approach TOPSIS. It showed that the two-way approach in Scenario 1 (without score normalization) and Scenario 3 (with score normalization) shows better agreement results in 78.33% and 73.33% than the two-way approach for Scenario 2, Scenario 4, and the student-one-way approaches.
Keywords: decision support system; major selection; TOPSIS; two-way approach
Funding: Universitas Sebelas Maret

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