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All Journal JTAM (Jurnal Teori dan Aplikasi Matematika) IMPROVEMENT: Jurnal Ilmiah untuk peningkatan mutu manajemen pendidikan Eduvest - Journal of Universal Studies
Herliana, Puspa
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Aerospace Engineering Computer Science & IT Decision Sciences, Operations Research & Management Education Health Professions Mathematics Neuroscience Social Sciences

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HUBUNGAN BUDAYA KERJA, GAYA KEPEMIMPINAN, MOTIVASI KERJA DAN DISIPLIN KERJA DALAM MENINGKATKAN KINERJA GURU DAN MUTU PENDIDIKAN DI SMP NEGERI 1 DAN SMP NEGERI 6 KOTABARU Herliana, Puspa; Riskawaty, Helyna; Hermawan, Hendry; Amelia, Rizky
Improvement: Jurnal Ilmiah untuk Peningkatan Mutu Manajemen Pendidikan Vol. 12 No. 1 (2025): Improvement: Jurnal Ilmiah Untuk Peningkatan Mutu Manajemen Pendidikan (In Pre
Publisher : Program Studi Manajemen Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/improvement.v12i1.52661

Abstract

This study analyzes the relationship between work culture, leadership style, work motivation, and work discipline on teacher performance at SMP Negeri 1 and SMP Negeri 6 Kotabaru using a mixed-method approach. Quantitative analysis results show that work culture and work discipline do not have a significant effect on teacher performance, with p-values of 0.235 and 0.225, respectively. In contrast, leadership style and work motivation have significant effects, with p-values of 0.007 and 0.000, respectively. Qualitative analysis indicates that while work culture and work discipline do not have a direct impact, they remain important in supporting teacher performance. The simultaneous hypothesis suggests that all variables collectively influence teacher performance, although individual contributions from work culture and work discipline are not significant. This research provides insights for the development of more effective educational policies.
Organizational Culture Transformation Through the Leadership of the Principal at Sdn Sungai Taib in the Adiwiyata Program Herliana, Puspa; Aryani, Dewi; Hermawan, Hendry; Aslamiah, Aslamiah; Cinantya, Celia
Eduvest - Journal of Universal Studies Vol. 5 No. 9 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i9.51088

Abstract

This study aims to examine the contribution of the principal in implementing the adiwiyata program at SDN Sungai Taib, through an in-depth exploration of the principal's leadership role in creating an innovative and collaborative learning environment. The research method used is descriptive qualitative with data analysis using NVivo software. Data were collected through in-depth interviews, observations, and documentation. The research participants included the principal, the vice principal, and several teachers. The research results show that the principal's leadership significantly contributes to the successful implementation of the adiwiyata program by creating a learning environment that supports innovation and creativity. The principal also managed to overcome resistance to change and resource limitations through effective and communicative leadership strategies. In conclusion, the principal's contribution to implementing the adiwiyata program at SDN Sungai Taib is highly significant. Through visionary and inclusive leadership, the principal successfully transformed SDN Sungai Taib into a National Adiwiyata School.
Creative Geometry through Roof Modeling: Enhancing Angle Understanding via Deep Learning Herliana, Puspa; Hermawan, Hendry; Sulistiyana, Sulistiyana; Aslamiah, Aslamiah; Suriansyah, Ahmad
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 9, No 4 (2025): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v9i4.33710

Abstract

This study aimed to evaluate the effectiveness of deep learning-based geometry instruction using miniature roof construction in improving students’ understanding of angles. A quasi-experimental design was conducted at SMPN 1 Kotabaru with 64 seventh-grade students divided into experimental and control groups. The experimental group participated in eight sessions of project-based learning that integrated contextual modeling and collaborative exploration, while the control group received conventional textbook-based instruction. Students’ comprehension of angle concepts including classification, measurement, and application was assessed using a validated geometry test and structured reflection journals. The results showed that students in the experimental group demonstrated significantly greater improvement in angle understanding compared to the control group. Statistical analysis confirmed the effectiveness of the intervention, with a large performance gap favoring the experimental group. These findings suggest that deep learning strategies, when combined with hands-on modeling and contextual relevance, can substantially enhance conceptual mastery in geometry education. 
Co-Authors Ahmad Suriansyah Aryani, Dewi Aslamiah Aslamiah Cinantya, Celia Hermawan, Hendry Riskawaty, Helyna Rizky Amelia Sulistiyana, Sulistiyana