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Journal : Journal of Educational Research and Evaluation

Comparison of VIKOR and TOPSIS Methods in Multiresponse Taguchi Optimization Suniantara, I Ketut Putu; Putra, I Gede Eka Wiantara
Journal of Education Reseach and Evaluation Vol 2 No 3 (2018): August
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (671.315 KB) | DOI: 10.23887/jere.v2i3.12796

Abstract

Multirepon optimization in the Taguchi method can be done by using the VIKOR and TOPSIS approach, which are based on the concept that the best chosen alternative not only has the shortest distance from a positive ideal solution, but also has the longest distance from the negative ideal solution. The basic concept of these two methods is to determine the ranking of existing samples by looking at the results of the utility (S), regrets (R) and solution distances as the best alternatives for each sample. This study aims to obtain significant process variables on the brightness and soreness response variables in the envelope making process by using VIKOR and TOPSIS method approaches, and comparing the results of VIKOR and TOPSIS optimization. The results showed that the two methods produced process optimization in setting variables that were not the same. The VIKOR method produced a setting variable namely A3B2C1D1 while the TOPSIS method produced a setting variable A1B1C3D3. Looking at the value of the two methods, the VIKOR method produced a better estimated value of the brightness parameters and TOPSIS produced a better estimate value for the silence parameter.
Analysis of UT Student Satisfaction with the Tuweb system using CSI, IPA & SEM-PLS Masakazu, Kadek; Sopandi , Agus Tatang; Wijaya, I Gusti Ngurah Satria; Suwardika, Gede; Suniantara, I Ketut Putu
Journal of Education Reseach and Evaluation Vol 7 No 3 (2023): August
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jere.v7i3.66621

Abstract

One form of development in the world of learning as a result of developments in information and communication technology (ICT) is that distance learning is possible. The Open University, a public university, uses various modes of learning has also experienced changes in the modes of learning for students who decide to study in person during class. Coupled with the Covid-19 pandemic, this change is a change in the learning system from the TTM mode which is replaced by Tuweb (blended learning that is held online). This study aims to analyze user or UT student satisfaction with the Tuweb system using the Servqual dimension. The data source came from the UT student population at UPBJJ UT Denpasar, where the determination of respondents was carried out using a purposive sampling technique. The Customer Satisfaction Index (CSI), Importance Performance Analysis (IPA), and Structural Equation Modeling (SEM) using Partial Least Squares (PLS-SEM) are the analytical techniques used. The results of the slices of the three methods (CSI, IPA and SEM-PLS) is that Tuweb UT's services get quite satisfied ratings from students, where the variable that gives excellence to Tuweb UT is empathy. As a note for improving the tuweb service from UT, the Tuweb service has the availability of a learning service response at any time and place (responsiveness variable) and the Tuweb service has better speed accuracy than the promised speed accuracy (reliability variable).