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All Journal ASEAN Journal of Systems Engineering Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Indonesian Journal of Disability Studies Transformasi: Jurnal Pengabdian Masyarakat MEDIAPSI Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri IJITEE (International Journal of Information Technology and Electrical Engineering) International Journal of Engineering, Technology and Natural Sciences (IJETS) Reswara: Jurnal Pengabdian Kepada Masyarakat Psyche: Jurnal Psikologi Power Elektronik : Jurnal Orang Elektro
Ridwan Budi Prasetyo
Universitas Teknologi Yogyakarta
Religion Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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The Effect of Ramadan Intermittent Fasting on Cognitive Work Performance: A Natural Experimental Approach Prasetyo, Ridwan Aji Budi; Nurwanti, Ratri; Alhad, Muhammad Afif
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 26 No. 1 (2024): June 2024
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.26.1.25-36

Abstract

This study aims to investigate the effect of Ramadan intermittent fasting on cognitive work performance using a more natural approach. To achieve the objective of this study, a natural experimental approach was employed by incorporating a pretest-posttest control group design. A forward-type Digit Span Test (DST) was utilized as the measure of the cognitive work performance and was administered to participants twice, before and during Ramadan, with one-month gap between the tests. Two hundred and sixty-seven participants were naturally grouped into fasting and non-fasting groups according to their report during Ramadan session and into morning and afternoon periods, or AM and PM hours, according to their module scheduling. The results of the analyses suggest that the cognitive work performance of the fasting participants during the PM hours is better, after controlling the DST scores before Ramadan. The study also concludes that the cognitive work performance of the fasting participants between AM and PM hours does not differ. This result could be explained using the perspectives of post-lunch performance dip and the beneficial effect of breakfast. Methodological limitations and potential practical implementation of this study are also discussed.
Pengantar Editor-in-Chief untuk Volume 12 Nomor 1 Tahun 2026 Prasetyo, Ridwan Aji Budi
Mediapsi Vol 12 No 1 (2026): JUNE
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.mps.2026.012.01.1290

Abstract

This editorial introduces the first issue of Volume 12 of Mediapsi, which presents five empirical articles from diverse areas of psychological research in Indonesia. The articles address adolescent mental health and healthy lifestyle behaviours, conflict resolution dynamics in long-term marriages, career-related predictors of university student psychological well-being, the role of organisational support in shaping unpaid interns' work engagement and performance, and the cognitive consequences of time pressure in academic evaluation contexts. Taken together, the contributions reflect a thematic concern with psychological resources and their role in sustaining individual functioning across personal, relational, organisational, and situational domains. The editorial situates each article within this broader framework and highlights key theoretical and practical implications for researchers, educators, counsellors, and organisational practitioners. Editorial ini mengantarkan edisi pertama Volume 12 Mediapsi yang memuat lima artikel empiris dari berbagai bidang kajian psikologi di Indonesia. Kelima artikel membahas kesehatan mental remaja dan perilaku gaya hidup sehat, dinamika resolusi konflik dalam pernikahan jangka panjang, prediktor berbasis karier terhadap kesejahteraan psikologis mahasiswa, peran dukungan organisasi dalam membentuk keterikatan kerja dan kinerja mahasiswa magang tanpa upah, serta konsekuensi kognitif dari tekanan waktu dalam konteks evaluasi akademik. Secara keseluruhan, kelima kontribusi ini mencerminkan perhatian tematik terhadap sumber daya psikologis dan perannya dalam menopang fungsi individu di berbagai domain, baik personal, relasional, organisasional, maupun situasional. Editorial ini menempatkan setiap artikel dalam kerangka tersebut dan menyoroti implikasi teoritis dan praktis yang relevan bagi peneliti, pendidik, konselor, dan praktisi organisasi.
Co-Authors Alhad, Muhammad Afif Arief Budiman Dian Putri Permatasari, Dian Putri Husna, Fatiya Halum Ika Fitria, Ika Irwan Setyaji Maemonah, Maemonah Mychael Gatriser Pae Mychel Gatriser Pae Prasetyo, Sendy Pusponegoro, Rahadijaya Arman Rahman, Haidar Ratri Nurwanti, Ratri Romadhon, Muhammad Fauzi Selly Dian Widyasari, Selly Dian Solly Aryza Suharyanto Suharyanto T. Haryono T. Haryono Wahyu Wilopo Yuli Rahmawati