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All Journal PROSIDING SEMINAR NASIONAL Jurnal Matematika dan Statistika serta Aplikasinya (Jurnal MSA) Jurnal Sains Matematika dan Statistika Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) SOSIOHUMANIORA: Jurnal Ilmiah Ilmu Sosial dan Humaniora ASRO JOURNAL - STTAL ESTIMASI: Journal of Statistics and Its Application Jurnal Statistika dan Aplikasinya Jurnal Ilmiah SIGMA: Informatics Engineering Journal of UPB Indonesian Journal of Business Analytics (IJBA) Jurnal Pengabdian Mandiri Prosiding Seminar Nasional Official Statistics Jurnal Manajemen dan Bisnis UNP Journal of Statistics and Data Science Jurnal Satya Informatika SAINTEK Emerging Statistics and Data Science Journal
Edy Widodo
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Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Medicine & Pharmacology Social Sciences Other

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Stress Analysis of FMIPA UII Students in Practicum Report using Perceived Stress Scale and Robust Regression -, Abdullah Kafabih; Fahma Zuaf Zarir; -, Naufal Fahrezi; Edy Widodo
UNP Journal of Statistics and Data Science Vol. 4 No. 1 (2026): UNP Journal of Statistics and Data Science
Publisher : Departemen Statistika Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ujsds/vol4-iss1/455

Abstract

Higher education requires students not only to master theoretical knowledge but also to apply concepts through practicum activities. At FMIPA UII, the preparation of practicum reports often becomes a source of pressure due to the large number of reports, tight deadlines, and the complexity of data analysis. This study aims to measure students’ stress levels during practicum report preparation using the PSS-10 and to analyze the effects of the number of reports, semester level, and organizational involvement. Primary data were collected from students of all study programs at FMIPA UII through a questionnaire survey. The analysis was conducted using Ordinary Least Squares (OLS) for assumption testing and subsequently robust regression (Huber M-estimation) due to the presence of heteroskedasticity and influential outliers. Descriptive results indicate an average PSS score of 17.95, categorized as moderate stress. However, the robust regression results show that the number of reports, semester level, and organizational involvement do not have a significant effect, either simultaneously or partially, on academic stress. These findings suggest that student stress is more likely influenced by other factors such as time management, coping strategies, social support, practicum design, and overall academic workload.
Analisis Keputusan Pembelian Produk di Vending Machine FMIPA UII Menggunakan Regresi Logistik Berbasis Machine Learning Muthia Rahmatun Nisa'; Faizal, Ade Ahmad; Edy Widodo
MANABIS: Jurnal Manajemen dan Bisnis Vol. 5 No. 1 (2026): Maret 2026
Publisher : Yayasan Pendidikan Penelitian Pengabdian Algero

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54259/manabis.v5i1.6913

Abstract

This study examines factors influencing students’ purchasing decisions on vending machines using a statistical modeling approach. The increasing adoption of vending machines in university environments highlights the need to understand consumer decision-making within self-service systems. This research analyzes the effects of perceived ease of use and price perception on purchasing decisions for food and beverage products sold through vending machines at the Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia. Primary data were collected through an online questionnaire from 128 active students selected using purposive sampling. Instrument validity and reliability were assessed prior to analysis to ensure data quality. Given that the dependent variable is dichotomous, binary logistic regression was employed to estimate the probability of purchase decisions. The results indicate that perceived ease of use has a positive and statistically significant effect on purchasing decisions and serves as the most influential predictor in the model. Price perception also shows a positive and significant effect, although with a smaller magnitude. Overall, the model demonstrates acceptable classification performance. These findings suggest that improving system usability is more effective than price adjustments in increasing vending machine usage among students.
Co-Authors -, Abdullah Kafabih -, Naufal Fahrezi Abdul Halim Anshor Abdul Kholiq Adindach Syadza Rizkia Afifi Indrasari Alfarid, Muhammad Ridho Alfarid Alhaqq, Faisal Hakim Akbar Ali Mashudi Alifyah, Hasna Alivia Ayudhi Asmaradana Amali, Amali Ami Mulya Pratiwi Andri Firmansyah Andrian Andrian Andriani Andriani Anisa Devi Asmara Anissa Karmila Islami Asdan Tri Madani Asep Arwan Sulaeman Aswan Supriyadi Sunge Ayu Mutmainnah Azanzi Bagus Pratama Bella Destia Butsianto, Sufajar Dendy K. Pramudito Dian Aditya Dian Bestriandita Dita Prima Tri Hapsari Ditya Lambang Setyawan Eko Heru Firdauz Elen Prihana Putri Fahma Zuaf Zarir Faizal, Ade Ahmad Fauziah , Sifa Febi Permata Putri Ginastuti, Ajrina Putri Ikhwan Syahtaria Indradewa, Rhian Latifah Nur Laila Lintang Amir Faiq Lintang Puspita Maulana, Rifki Ryan Muhamad Fatchan Muhamad Rizki Sahputra Muhammad Irfan Hayyi Muhammad Raihan Al Anshori Muhammad Sukriansyah Muhammad Tanaka Mulia Hidayahti, Rate Mulia Hidayahti Muthia Rahmatun Nisa' Nanda Lailatul Humairoh Ninda Nurul Halim Pramudita, Zalfa Nindia Puspita Putri Nabilah Putri Ermayani Rafika Aristawidya Rias Monica Putri Ridhwan Mustajab Riefyal Arshyzha Mustain Riski Pratama Ramadhan Riyana Putri Rizki Maliki Zidni Rizky Normelia Sukarno Sukarno Surya Purnama Titian Dewi Fortuna Wulan Maghfirotul Fauziah Yunita Hilda