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All Journal GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling JMECS (Journal of Measurements, Electronics, Communications, and Systems)
Lee, Vivian
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Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Social Sciences

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Analysis of Spatio-temporal PM2.5 and CO2 Concentrations Distribution with PSCF in the Greater Bandung Air Basin Adiwidya, Andre Suwardana; Aziz, Reza Mochamad; Afryan, Muhammad Beno; Alexandra, Tania Christiana; Permadi, Mario Gilang; Jannah, Nur Rawdotul; Amalia, Dini Rizqi; Sopian, Nur Putri Megalia; Lee, Vivian; Salam, Rahmat Awaludin; Chandra, Indra
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 10 No. 1 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i1.6003

Abstract

The limitations of expensive main monitoring stations can be addressed by using low-cost sensor-based measuring stations. A low-cost sensor-based air quality monitoring system has been implemented in Telkom University, BRIN Pasteur, and BRIN Taman Sari areas to measure PM2.5 and CO2 concentration in Bandung vertically and horizontally. Vertically, the CO2 concentration at the highest measuring station is indirectly affected by local activities. However, PM2.5 concentration is still influenced by local actions. Horizontally, using the independent T-test and ANOVA, PM2.5 concentrations tended to be homogeneous regarding the significance values in the four periods, namely 0.916, 0.03, 0.727, and 0.047. Meanwhile, the concentration of CO2 at each station tends to be heterogeneous along significance values of 0.646, 0.03, 0.02, and 0.01. The vertical and horizontal analysis shows that CO2 concentrations tend to be heterogeneous due to differences in altitude and spatial characteristics of the measurement sites. Meanwhile, PM2.5 tends to be more homogeneous by having the same pattern at different heights and spatial locations. The long-distance potential sources of PM2.5 are estimated to come from the Indian Ocean and Cirebon region because they have the highest PSCF and CWT values, 0.5-0.7 and 55-65 µg/m3.
Peran Kepercayaan dalam Mengurangi Tingkat Stres di Kalangan Pasangan Suami Istri Hosea, Helena Andriani; Ng, Cheryl Alvira; Lee, Vivian; Marpaung, Winida; Putra, Achmad Irvan Dwi
GUIDENA: Jurnal Ilmu Pendidikan, Psikologi, Bimbingan dan Konseling Vol 16, No 1 (2026)
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/gdn.v16i1.14637

Abstract

This study aims to examine the relationship between trust and stress levels in married couples. The study sample consisted of 187 husbands and wives in Titi Kuning Village, selected using purposive sampling, considering the characteristics of respondents who are married and living together as the unit of analysis relevant to the research objectives. Of these, 181 respondents met the assumption of data normality and were subsequently analyzed. Measurements of trust and stress levels were carried out using psychological scales that have been tested for validity and reliability, each consisting of 39 and 40 items. Data analysis used the Pearson Product Moment correlation method after all analytical assumptions, including normality and linearity, were met. The findings indicate a significant negative relationship between trust and stress levels, with a correlation coefficient of -0.603 and a significance value of 0.000 (p < 0.05). The result concludes that higher trust are associated with lower stress levels, and conversely, lower trust are correspond with higher stress levels among married couples in Titi Kuning Sub-District. The effective contribution of trust to stress, with an R-squared value of 0.364, indicates that increased trust between husband and wife contributes to reduced stress levels. Thus, trust contributes 36.4% to stress levels, with the remaining 63.6% influenced by other factors. These findings provide a theoretical contribution to the development of marital psychology studies by highlighting the role of trust as a significant psychological factor in managing marital stress. Practically, these findings suggest the importance of strengthening trust in psychological interventions and marital counseling programs to reduce stress levels in married couples.
Co-Authors Adiwidya, Andre Suwardana Afryan, Muhammad Beno Alexandra, Tania Christiana Amalia, Dini Rizqi Aziz, Reza Mochamad Dwi Putra, Achmad Irvan Hosea, Helena Andriani Indra Chandra Jannah, Nur Rawdotul marpaung, winida Ng, Cheryl Alvira Permadi, Mario Gilang Rahmat Awaludin Salam Sopian, Nur Putri Megalia