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All Journal Jurnal Manajemen dan Organisasi Jurnal Optimasi Sistem Industri Eduvest - Journal of Universal Studies
Dian Putrawangsa
Parahyangan Catholic University
Aerospace Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Neuroscience Social Sciences

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Application of PDCA Method in Improving the Quality of Valve Production Dian Putrawangsa; Agustinus Caniago; Samuel Aprilio; Thedy Yogasara
Eduvest - Journal of Universal Studies Vol. 2 No. 8 (2022): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3967.65 KB) | DOI: 10.59188/eduvest.v2i8.551

Abstract

Plastic is one of the most widely used raw materials for a product. Human life cannot be separated from products or equipment made from plastic. Company X often has problems with the quality of the products produced, especially valve products as products that are produced every day. The corrective step used to assist Company X in improving the quality of valve products is the application of the PDCA method. PDCA method consists of the plan, do, check, and act stages. The proposed improvement design was carried out based on the results of data processing and obtained as many as 9 proposed improvements. In the do stage, implementation of the proposed improvements that have been designed is carried out, five proposed improvements can be implemented and the other four in the form of recommendations. Next is the check stage, which is the process of collecting data again on the results of the implementation of the proposed improvement. Based on the results of the check stage, a standardization process was carried out at the act stage to improve the performance of the proposed improvement and the quality of the valve product. Standardization is done by changing or improving the proposed improvements that have been implemented. Research has succeeded in reducing the number of defective valve products with the proportion of defects that were previously 1.16% to 0.57%.
The Effect of Sex Differences and Experience of Using Virtual Reality on Presence Dian Putrawangsa; Clara Theresia; Thedy Yogasara; Yansen Theopilus
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v22.n1.p61-68.2023

Abstract

Presence greatly affects user experience and comfort when using virtual reality (VR). Presence is often associated with personal factors such as sex differences and experience using the instrument. There is a research gap related to presence judging by several studies, so it is an interesting topic for further study. This research aims to identify the effect of sex differences and experience using VR on presence. This study used two approaches namely subjective indicators by employing an Igroup Presence Questionnaire (IPQ) and objective indicators in the form of heart rate (HR) and task scores. The study made use of Kruskal-Wallis and MANOVA to determine whether there is an effect of sex differences and experience in using VR on presence. This study found that the sex variable affects a person's presence when playing VR, especially spatial score on the IPQ test, where women have a higher marginal means value than men. Another finding is that the experience of playing VR affects the delta heart rate, with the result that someone with no experience using VR is higher than those who have used VR before.
Pengaruh Knowledge Sharing Intention terhadap Innovative Performance di Kalangan Pegawai Profesional Gusti, Triningtyas Elisabeth Putri; Putrawangsa, Dian; Caroline, Angela; Kornarius, Yoke Pribadi; Gunawan, Agus
Jurnal Manajemen dan Organisasi Vol. 16 No. 4 (2025): Jurnal Manajemen dan Organisasi
Publisher : IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmo,16,4,65689

Abstract

The digital era positions knowledge as a primary asset for fostering innovation and competitive advantage. Information and communication technology (ICT), particularly artificial intelligence (AI), plays a critical role in enhancing efficiency and creating new opportunities. A company’s innovative performance is strongly influenced by employees’ innovative work behavior, including idea generation, experimentation, and risk-taking. Knowledge sharing among employees is also essential in supporting organizational innovation. This study aims to examine the mediating role of innovative work behavior (IWB) in the relationship between knowledge sharing intention (KSI) and innovative performance (IP) among knowledge-based workers in Indonesia. The research employed Partial Least Squares Structural Equation Modeling (PLS-SEM), consisting of measurement model evaluation and structural model assessment. The results indicate significant relationships (p < 0.001) between KSI and IWB (O = 0.625), IWB and IP (O = 0.344), and KSI and IP (O = 0.343). These findings confirm that IWB mediates the relationship between KSI and IP, highlighting the crucial role of innovative work behavior in optimizing the impact of knowledge sharing on innovative performance.
The Effect of Sex Differences and Experience of Using Virtual Reality on Presence Dian Putrawangsa; Clara Theresia; Thedy Yogasara; Yansen Theopilus
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1123.48 KB) | DOI: 10.25077/josi.v22.n1.p61-68.2023

Abstract

Presence greatly affects user experience and comfort when using virtual reality (VR). Presence is often associated with personal factors such as sex differences and experience using the instrument. There is a research gap related to presence judging by several studies, so it is an interesting topic for further study. This research aims to identify the effect of sex differences and experience using VR on presence. This study used two approaches namely subjective indicators by employing an Igroup Presence Questionnaire (IPQ) and objective indicators in the form of heart rate (HR) and task scores. The study made use of Kruskal-Wallis and MANOVA to determine whether there is an effect of sex differences and experience in using VR on presence. This study found that the sex variable affects a person's presence when playing VR, especially spatial score on the IPQ test, where women have a higher marginal means value than men. Another finding is that the experience of playing VR affects the delta heart rate, with the result that someone with no experience using VR is higher than those who have used VR before.
The Effect of Sex Differences and Experience of Using Virtual Reality on Presence Dian Putrawangsa; Clara Theresia; Thedy Yogasara; Yansen Theopilus
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (893.526 KB) | DOI: 10.25077/josi.v22.n1.p61-68.2023

Abstract

Presence greatly affects user experience and comfort when using virtual reality (VR). Presence is often associated with personal factors such as sex differences and experience using the instrument. There is a research gap related to presence judging by several studies, so it is an interesting topic for further study. This research aims to identify the effect of sex differences and experience using VR on presence. This study used two approaches namely subjective indicators by employing an Igroup Presence Questionnaire (IPQ) and objective indicators in the form of heart rate (HR) and task scores. The study made use of Kruskal-Wallis and MANOVA to determine whether there is an effect of sex differences and experience in using VR on presence. This study found that the sex variable affects a person's presence when playing VR, especially spatial score on the IPQ test, where women have a higher marginal means value than men. Another finding is that the experience of playing VR affects the delta heart rate, with the result that someone with no experience using VR is higher than those who have used VR before.
Co-Authors Agus Gunawan Agustinus Caniago Angela Caroline, Angela Clara Theresia Gusti, Triningtyas Elisabeth Putri Samuel Aprilio Thedy Yogasara Theopilus, Yansen Yoke Pribadi Kornarius