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INDONESIA
EDUCTUM: Journal Research
Published by Lembaga Riset Mutiara Akbar
ISSN : -     EISSN : 29634385     DOI : 10.56495
Core Subject : Education, Social,
Education Languange, Linguistic, Communication & Media Social Sciences Other
EDUCTUM: Journal Research yang diterbitkan oleh Lembaga Riset Mutiara Akbar yang berlokasi di Kota Medan Sumatera Utara, adalah jurnal akses terbuka yang dapat digunakan sebagai media tempat para mahasiswa-mahasiswa dalam menerbitkan artikel skripsi maupun thesisnya dalam bidang ilmu Pendidikan yang merupakan hasil penelitian, juga bagi para dosen yang ingin mempublikasikan artikel hasil penelitian mandiri maupun hibah sebagai tuntutan Tri Dharma Perguruan Tinggi.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 165 Documents
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Performance analysis of solar collectors with varying glass thickness for water heaters Panjaitan, Abryan Termedia; Sianturi, Tambos August; Siahaan, Azarya NJ
EDUCTUM: Journal Research Vol. 5 No. 2 (2026): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v5i2.1605

Abstract

The increasing global energy demand encourages the use of renewable energy, especially solar energy which has great potential in tropical regions such as Indonesia. This study aims to analyze the performance of flat plate solar collectors with variations in local glass thickness (3 mm and 5 mm) for household water heating systems. The method used is a field experiment with measurements of water temperature parameters (?T), heat transfer rate (Qout), absorbed heat energy (Qin), and solar radiation energy (Qs) in the time range of 11:00–14:00 WIB. The results show that 3 mm glass produces higher outlet water temperatures and heat transfer rates due to better radiation transmission capabilities, especially at low intensities. However, 5 mm glass has a higher and more stable thermal efficiency, with a maximum value reaching 71%, due to better insulation capabilities in suppressing heat loss. Overall, glass thickness has a significant effect on solar collector performance. Therefore, local glass with a thickness of 5 mm is recommended to increase the efficiency of solar energy-based water heating systems that are economical and environmentally friendly.
Performance analysis of automatic grass chopper and grass vacuuming machine with gasoline engine drive system Niko Andreas Hutabarat; Winfronstein Naibaho; Saloom Hilton Siahaan
EDUCTUM: Journal Research Vol. 5 No. 2 (2026): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v5i2.1625

Abstract

This study aims to design and analyze the performance of an automatic grass chopper and vacuum cleaner with a gasoline engine drive system as an appropriate technological solution to improve environmental cleaning efficiency. The main problem in this study is that the grass cleaning process is still done manually, which requires time, energy, and significant operational costs. The research method used is the design method which includes the design, assembly, and performance testing stages of the tool. The machine was designed using a Honda GX 200 gasoline engine, a centrifugal blower, a pulley transmission system, a grass chopper, and a container for the chopped results. Tests were conducted based on variations in engine speed to determine the chopping capacity, noise level, and fuel consumption. The results showed that the machine is able to carry out the cutting, chopping, and vacuuming processes of grass in an integrated manner with more effective performance than the manual method. Under optimal conditions, the machine is able to produce grass chopped up to 2.5 ounces in 6 minutes with an average noise level of 96.4 dB. In addition, the use of the machine has been proven to speed up the work process and reduce the need for manual labor. Thus, the designed machine has the potential to become an efficient and applicable technological innovation in supporting environmental cleanliness.
Digital Transformation in Biology Teaching and Learning among secondary schools in Anambra State, Nigeria Esther Ebele Akachukwu; Chioma Stephanie Mbaegbu; Chisom Vivian Chukwuemeka
EDUCTUM: Journal Research Vol. 4 No. 2 (2025): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v4i2.1628

Abstract

Digital transformation is increasingly influencing biology education by supporting interactive and student-centered learning. This study investigated the utilization of digital technologies in biology teaching, their contribution to student engagement, and the barriers affecting their adoption. A quantitative descriptive survey design was employed involving 97 respondents, consisting of 17 biology teachers and 80 students. Data were collected using a validated questionnaire and analyzed through descriptive statistics and One-Way ANOVA. The findings revealed that 3D molecular modeling and anatomical visualization software were the most frequently utilized digital tools (Mean = 3.44), while virtual laboratories (Mean = 1.62) and Learning Management Systems (Mean = 1.66) were the least utilized. Digital integration promoted engagement in real-world problem solving (Mean = 3.37), multimedia-supported learning (Mean = 3.34), and independent learning (Mean = 3.32). Major barriers included inconsistent electricity supply (Mean = 3.42), inadequate funding (Mean = 3.34), and rigid curriculum requirements (Mean = 3.30). Significant differences were found in digital tool utilization (p = .043) and adoption barriers (p = .019). The study concludes that digital technologies can enhance biology education when supported by adequate infrastructure and institutional commitment.
The Influence of Regional Insecurity and 'Sit-at-Home' Orders on the Coverage of Biology Curriculum in South-East Nigeria: A Mixed-Methods Research Study Esther Ebele Akachukwu; Okoye Paschal Olisaeloka
EDUCTUM: Journal Research Vol. 3 No. 6 (2024): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v3i6.1633

Abstract

Regional insecurity and recurring sit-at-home directives in South-East Nigeria have disrupted school activities and threatened effective curriculum implementation. This study examined their impact on Biology curriculum coverage, instructional practices, and students’ examination preparedness. A convergent mixed-methods design was adopted involving 247 Biology teachers across five South-East states, complemented by 20 interviews and 10 classroom observations. Quantitative data were analyzed using descriptive and inferential statistics, while qualitative data were subjected to thematic analysis. Findings revealed that 78.5% of teachers covered no more than 60% of the prescribed Biology curriculum, with an overall mean coverage rate of 54.2%. A strong negative correlation existed between sit-at-home frequency and curriculum coverage (r = ?0.72, p < 0.001). Practical laboratory activities were severely affected, with most teachers reporting minimal or no practical sessions. Common adaptation strategies included lesson compaction, assignment-based instruction, and the use of WhatsApp for content delivery. The study concludes that persistent insecurity significantly undermines Biology education and recommends blended learning, curriculum restructuring, and community-supported safe-school initiatives to sustain learning during crises.
Prevailing Nutritional Practices Adopted by Senior Secondary School Students in Delta State, Nigeria Oghenevwarhe Itagar
EDUCTUM: Journal Research Vol. 4 No. 2 (2025): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v4i2.1635

Abstract

This study investigated the prevailing nutritional practices adopted by Senior Secondary School students in Delta State, Nigeria. The study employed a descriptive survey design using an ex-post facto approach. The population comprised 14,819 students from public secondary schools across the three senatorial districts of Delta State. A sample of 390 students was selected through multistage sampling using Slovin’s formula. Data were collected using a validated questionnaire with a reliability coefficient of 0.81 and analyzed using descriptive statistics and t-test analysis at a 0.05 significance level. The findings revealed that students predominantly engaged in unhealthy nutritional practices, including emotional eating (M = 3.38), consuming large food portions (M = 3.07), frequent snacking (M = 3.06), and meal skipping (M = 2.92). Healthy behaviors such as daily fruit and vegetable consumption (M = 2.28) and regular physical exercise (M = 2.41) were not commonly practiced. Furthermore, the t-test result indicated no significant difference between male and female students regarding nutritional practices (t = 0.20, p = 0.85). The study concludes that unhealthy dietary behaviors are widespread among students regardless of gender, highlighting the need for targeted nutrition education and school-based health intervention programs.

Page 17 of 17 | Total Record : 165

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