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Academic Supervision and GROW Coaching Model Implementation in Junior Secondary Science Teaching Vikto Agus Wibowo; Rosmawati Rosmawati; Nyoto Suseno; Agus Sujarwanta
Jurnal Studi Multidisiplin Ilmu Vol 4 No 1 (2026): Januari
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/jasmi.v4i1.7129

Abstract

Purpose: This study evaluates academic supervision combined with the Goal Reality Options Will (GROW) coaching model for a junior secondary science teacher, describing how supervision and coaching jointly support instructional quality and identify barriers to classroom conducivity.Methodology: A descriptive case study was conducted at SMPN 4 Mesuji, Lampung, involving one science teacher and one grade VIII class during a Problem Based Learning (PBL) lesson on the human digestive system, using a lesson-plan checklist, an observation instrument, a coaching-practice rubric, a structured interview, and the GROW coaching protocol, analyzed descriptively through instrument scoring formulas.Results: The learning-process observation instrument recorded 42 fully implemented indicators, 3 partially implemented, and 1 not implemented, producing a raw score of 89 and a final score of 94.7, categorized as very good. The coaching-practice rubric produced 19 of 20 possible points, equivalent to a final score of 95, also categorized as very good. Interview and GROW coaching data revealed classroom conducivity and unattractive instructional media as the dominant obstacles, with Canva-based media redesign proposed as corrective action.Conclusions: Supervision paired with GROW coaching effectively surfaces actionable instructional problems even when overall teaching performance is already rated very good. Limitations: Findings rest on a single teacher and single lesson observation, limiting generalization.Contributions: The study offers a replicable supervisioncoaching protocol and scoring framework for science teacher development in similarly resourced schools.
IMPLEMENTASI MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KETERAMPILAN BERKOLABORASI DAN PENGUASAAN KONSEP SISTEM PERNAPASAN MANUSIA PADA KURIKULUM MERDEKA DI SMPN 2 HULU SUNGKAI Nilawati; Agus Sujarwanta; Dasrieny Pratiwi
EDUBIOLOCK Vol. 7 No. 2 (2026): Bulan Juni 2026
Publisher : Prodi Pendidikan Biologi FKIP Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/edubiolock.v7i2.12512

Abstract

The demands of 21st-century education require students to develop strong collaboration skills. However, students at SMPN 2 Hulu Sungkai demonstrated relatively low collaboration skills, which were attributed to teacher-centered learning practices. This study investigated the effectiveness of Problem-Based Learning (PBL) within the Independent Curriculum in improving students’ collaboration skills and mastery of the Human Respiratory System concept. A quantitative approach with a quasi-experimental nonequivalent control group design was employed. The sample consisted of two Grade VIII classes (25 students each), purposively selected based on similar pretest achievement and randomly assigned as the experimental and control groups. Both groups completed pretests and posttests, while the experimental group received PBL instruction and the control group received conventional teaching. Data were analyzed using an independent-samples t-test. The results revealed that PBL significantly improved students’ collaboration skills, with the experimental group achieving a mean score of 4.16 (83.2%) compared with 3.00 (60.0%) in the control group (t = 5.658 > 1.677). PBL also significantly enhanced students’ mastery of the Human Respiratory System concept, as indicated by a higher posttest mean score in the experimental group (75.4; 84.0%) than in the control group (71.2; 72.0%) (t = 1.787 > 1.677). These findings indicate that authentic problem-solving activities in PBL promote active participation, collaborative learning, and meaningful conceptual understanding. Therefore, integrating PBL into science instruction is recommended to foster students' collaboration skills and conceptual mastery.
Co-Authors abrori, zaini Achyani Adinda Purnama Maharani Agus Sutanto Agus Wibowo Ahmad Fatoni Akhmad Syaferi Alex Kurniawan Almansyur Anak Agung Oka Andi Widodo Anggi Aprilia Anisa Sholihah Aprilia, Anggi Ary Forniawan Asri Khoirunnisa Ataji, Hafis M Kaunang Bakti, Hudaya Indra Bekti Satriadi Budi Nurcahyo Candra Arityastuti Wijaya Dara Fatikha Sabila Hasanah Dasrieny Pratiwi, Dasrieny Dendra Siko Handira Deni Yuliana Desmita Tyas Suryati Dewi Pribadi Dyah Visha Fauzia Ariani Elysa Vironica Erlina Erlina Evi Agustina Evi Agustina, Evi fadhilaturrahmah, qonita Forniawan, Ary Gunanto, Prio Eko Hafis M Kaunang Ataji Handira, Dendra Siko Handoko Santoso Handoko Sutanto Hening Widowati HRA Mulyani I Nyoman Sukaredana Isnawati, Beti Aprilia Julsa Arofian Komala Sari Komala sari, Komala Larasati, Anggia Dwi Maharani, Adinda Purnama Mayang Aprilia Mia Cholvistaria Mila Wintriani Muarif, Moh Mufahroyin Mufahroyin Muhammad Firdaus Muhfahroyin Murdianti, Imas NILAWATI Novita, Via Anggun Nurcahyo, Budi Nyoto Suseno parina, nina Paulina Eva Rista Pratiwi, Nurwita Puja Antika Putri Aisyah, Putri Putri, Nirwana Elsa R. Sihadi Darmo Wihardjo rahmawati, monica Rasuane Noor Ratini Ratini Ratini Ratini, Ratini Reneza, Felzia Rista, Paulina Eva Rohmatika Nur Hidayati Rosmawati Rosmawati Satriadi, Bekti Shely Noperiani Sholihah, Anisa Sindika Anggela Wulandari Siti Fadilah Sofia Hartati Suharno Zen Sumantri Sumantri Susiani Susiani, Susiani Sutanto, Handoko Syaferi, Akhmad Triana Asih Triana Asih Triana Asih, Triana Triana, Prita Utami, Zainab Sinta Via Anggun Novita Vincencia Ambar Cahyaningsih Vironica, Elysa Widya Sartika Sulistiani Widya Sulistiani Wihardjo, R. Sihadi Darmo Yuda Krisnando Yuda Krisnando, Yuda Yuliana, Deni Yustika Kholida Rosdiana Zainab Sinta Utami