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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang International Journal of Educational Practice and Policy
Angel Areysia Siagian
Universitas Negeri Medan
Education Social Sciences

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Educational Supervision: Models, Approaches, and Techniques in Enhancing Teacher Professionalism and Learning Quality Angel Areysia Siagian; Fitri Sitorus; Sofia Wasti Gaberia Tambunan
International Journal of Educational Practice and Policy Vol. 3 No. 1 (2025): June 2025
Publisher : PT. Global Research Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66314/ijepp.v3i1.230

Abstract

Improving the quality of education relies on teacher professionalism and the effectiveness of the learning process. Educational supervision plays a strategic role in this context, functioning not merely as administrative oversight but also as professional guidance to assist teachers in identifying strengths and weaknesses and planning for ongoing improvement. This article aims to examine and synthesize various models, approaches, and techniques of educational supervision that support the development of teacher competence and learning quality. The study uses a qualitative library research method, involving systematic selection and critical analysis of relevant academic books, peer-reviewed journal articles, and educational policy documents published in the last five years. The results of the review show that supervision models such as collaborative, clinical, educational-collaborative, digital-based, contemporary, and monitoring-evaluation-based supervision are effective in different contexts. These models are applied using directive, non-directive, and collaborative approaches, supported by both individual and group supervision techniques. A key insight from this study is that the success of educational supervision depends on its ability to adapt to teachers' needs and school contexts. Therefore, optimizing supervision practices through the integration of suitable models and flexible techniques can significantly enhance teacher professionalism and overall learning quality.
EKSPLORASI INOVATIF POTENSI JAMUR ENTOMOPATOGEN (Beuveria bassiana) SEBAGAI BROAD-SPECTRUM BIONSECTICIDE DALAM MENDUKUNG SISTEM PENGENDALIAN HAMA TANAMAN PANGAN YANG RAMAH LINGKUNGAN Citra Chantyka Muslimah; Angel Areysia Siagian; An-Nisa Fitri Khotia Siregar; Indah Gresia Tampubolon; Syairal Fahmy Dalimunthe
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 02 (2026): Volume 12 No. 2, Juni 2026 Release
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i02.15181

Abstract

The excessive use of chemical pesticides can cause various negative impacts, including pesticide residues in food crops, human health problems, environmental pollution, and a decline in biodiversity. Therefore, environmentally friendly and sustainable alternatives for pest control are needed. One promising biological agent is the entomopathogenic fungus Beauveria bassiana. This study aims to review and synthesize previous research findings regarding the potential of Beauveria bassiana as a broad-spectrum bioinsecticide. The study employed a literature review method by collecting and analyzing ten relevant national and international scientific articles. Data were analyzed using a qualitative descriptive approach through the identification, comparison, and synthesis of previous research findings. The results indicate that B. bassiana is effective in controlling various insect pests from several orders, including Hemiptera, Lepidoptera, Coleoptera, and Orthoptera. This capability is supported by its infection mechanism, which includes inoculation, germination, penetration, dissemination, and colonization, as well as the production of extracellular enzymes and secondary metabolites that enhance fungal virulence against insect hosts. In addition, B. bassiana can colonize plant tissues as an endophytic fungus, potentially improving plant growth and resistance. Based on the synthesis of previous studies, Beauveria bassiana has considerable potential to be developed as a broad-spectrum bioinsecticide that is environmentally friendly and supports sustainable agricultural practices.
Co-Authors An-nisa Fitri Khotia Siregar Citra Chantyka Muslimah Fitri Sitorus Indah Gresia Tampubolon Sofia Wasti Gaberia Tambunan Syairal Fahmy Dalimunthe