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Journal : Operations Management and Information System Studies

Green product quality: A gray servqual approach Muhammad Fajar Rizaldi; Hendri Andi Mesta
Operations Management and Information System Studies Vol. 1 No. 1 (2021): Operations Management and Information System Studies
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.463 KB) | DOI: 10.24036/omiss.v1i1.7

Abstract

This study aims to determine the quality of LED lights from the point of view of consumers in the city of Padang.This type of research is descriptive research. The population of this research is the users of LED lights in the city of Padang, which requires 130 people. In this study the number of samples was determined using a random sampling technique. Random sampling with an equal chance of being selected. Research using the Gray Servqual method, using the Gray Servqual method can be used to solve the problem of uncertainty in cases with little data and incomplete information. From the analysis of these results, it can be seen how the quality of LED lights according to the consumer's point of view. The results of this study indicate that the quality of the LED lamps is good, but there are several attributes that need to be tried to make improvements.
Analysis of service quality on train passenger's perception by applying fuzzy topsis method Gama Magistra Piche; Hendri Andi Mesta
Operations Management and Information System Studies Vol. 1 No. 3 (2021): Operations Management and Information System Studies
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (502.235 KB) | DOI: 10.24036/omiss.v1i3.23

Abstract

This study will only focus on the external side of the company, namely from the perspective of passengers who use transportation services from PT. Kereta Api Indonesia Divre II West Sumatra for the Padang-pariman route. In this study, the population size is unknown. Thus, determining the sample size of the population using the theory developed from Isaac Michael. The method of data collection in this study is observation, interviews, and questionnaires. In this study, researchers used the servqual method and fuzzy topsis ranking to measure service quality. The results of research on the quality of service in the West Sumatra Regional Division II train are from the five criteria studied by the researchers, namely, tangible, reliability, responsiveness, assurance, and empathy, there is the highest gap value on the responsivenesses criteria, namely the preference value of 0.9587, and the next is the tangible criteria. It was concluded that there are several criteria that have met the quality of service, namely the responsiveness criteria where passengers assess the response of train staff to what passengers need while at the station or train is good, as well as for tangible criteria, passengers feel the facilities on the train are able to satisfy train passengers. Meanwhile, the quality of service in the security or assurance department is considered by passengers to be normal. And for reliability and empathy, passengers rate about service qualities on these two criteria still not satisfying passenger.
Land transportation mode decision-making using the analytical hierarchy process method Muhammad Zikri; Hendri Andi Mesta
Operations Management and Information System Studies Vol. 2 No. 3 (2022): Operations Management and Information System Studies
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/omiss.v2i3.84

Abstract

This study aims to: (1) determine the order of priority in influencing the selection of decision-making, and (2) find out which land transportation meets the supplier selection criteria. The population of this study is people who use bus land transportation services. The sampling technique was carried out by judgment sampling using the Lemeshow formula. Data collection techniques used are questionnaires, and interviews. The data that has been collected through the questionnaire analyzed using the Analytical Hierarchy Process (AHP) method. Research findings show that: (1) the most influential criteria in taking the mode of land transportation is the economical ticket price, (2) the economic ticket price, the toilet cleanliness, driving comfort, sofa comfort, and goals of land transportation mode decision making criteria are superior to the ANS company with a weighted values of 0,421, (3) the toilet cleanliness criteria is superior to the ANS company.