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All Journal Journal of Geoscience, Engineering, Environment, and Technology JPF : JURNAL PENDIDIKAN FISIKA Amal Ilmiah: Jurnal Pengabdian Kepada Masyarakat Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources)
Arisona
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Chemistry Earth & Planetary Sciences Education Energy Engineering Environmental Science Physics

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Analyzing Asynchronous Online Discussions in Solid-State Physics: Interaction Patterns and Cognitive Presence Among Distance Learners Widiasih; Arisona; Dwikoranto; Rahmawati; Ismail
Jurnal Pendidikan Fisika Vol. 13 No. 3 (2025): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/tpnr8c83

Abstract

The increasing adoption of online learning in higher education has placed asynchronous discussion forums at the center of teaching and learning, particularly in open and distance learning contexts where student engagement and collaborative inquiry are crucial. In physics education, however, fostering deep conceptual understanding through asynchronous communication remains challenging, as participation often tends to be surface-level and tutor-centered. This study aimed to analyze participation patterns, levels of cognitive presence, and their relationship to student performance in a Solid-State Physics course at Universitas Terbuka, Indonesia. Employing a descriptive case study design, the research collected data from learning management system logs, forum transcripts, tutor feedback, and assignment scores. Cognitive presence was coded using the Community of Inquiry framework, intercoder reliability was established with Cohen’s kappa (κ = 0.88), and interaction structures were visualized using social network analysis. The results revealed that students frequently viewed the forums but contributed relatively few postings, indicating widespread passive participation. Most contributions were concentrated at the triggering and exploration phases, with only about 15% reaching integration or resolution. Interaction maps confirmed a strongly tutor-centered pattern, with minimal peer-to-peer exchanges, while comparison of participation and assignment data showed that more active contributors achieved higher performance. These findings underscore the limited depth of engagement in asynchronous forums but also highlight their potential to support learning when students participate meaningfully. The novelty of this study lies in its triangulated methodology and its focus on physics education in an open and distance learning context. The study contributes empirical evidence for improving asynchronous forum design and facilitation to foster higher-order engagement in physics learning.
Pelatihan Rekonstruksi Pembelajaran Melalui Penerapan Model REACT Busnawir; Zamsir; Kodirun; Fahyuddin; Arisona
Amal Ilmiah: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2023): Edisi Mei 2023
Publisher : FKIP Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36709/amalilmiah.v4i2.49

Abstract

Pelatihan Rekonstruksi Pembelajaran Matematika dan IPA Melalui Penerapan Model REACT (Relating, Experiencing, Applying, Cooperating, and Transferring) bagi Guru SMP Negeri 9 Kendari bertujuan untuk: (1) memberikan pengetahuan dan pengalaman kepada peserta pelatihan tentang rekonstruksi pembelajaran yang berorientasi kepada peserta didik sebagai pusat pembelajaran (students as learning centers); (2) meningkatkan keterampilan peserta pelatihan dalam menyusun Rencana Pelaksanaan Pembelajaran (RPP) berbasis model REACT; (3) meningkatkan keterampilan peserta pelatihan dalam menerapkan model REACT pada pembelajaran matematika dan IPA. Khalayak sasaran kegiatan pelatihan ini adalah guru SMP Negeri 9 Kendari yang berjumlah 24 orang yang terdiri dari 14 guru matematika dan 10 guru IPA. Metode  yang  digunakan  adalah:  ceramah,  presentasi, diskusi, dan penugasan. Hasil kegiatan ini adalah tersusunnya RPP yang didesain menggunakan model REACT untuk pembelajaran matematika dan pembelajaran IPA, yang dapat diimplementasikan dalam pembelajaran oleh guru matematika dan guru IPA di SMP Negeri 9 Kendari.
Mikrofasies batugamping Formasi Tokala Daerah Ululere dan Sekitarnya, Kabupaten Morowali Sulawesi Tengah Arisona; Praja, Nia Kurnia; Eldin; Masri; Muliddin; Ali Okto; Hasria; Bahdad
Jurnal Geologi dan Sumberdaya Mineral Vol. 25 No. 1 (2024): JURNAL GEOLOGI DAN SUMBERDAYA MINERAL
Publisher : Pusat Survei Geologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33332/jgsm.geologi.v25i1.786

Abstract

Penelitian mikrofasies batugamping telah dilakukan pada Formasi Tokala Daerah Ululere. Formasi Tokala terendapkan pada lingkungan laut dalam hingga laut dangkal. Tujuan utama penelitian ini yaitu untuk menentukan lingkungan pengendapan batugamping dengan pendekatan zona mikrofasies. Metode penelitian yang digunakan adalah pendekatan secara analisis kualitatif dengan menggunakan data lapangan dan dilanjutkan dengan analisis laboratorium. Penentuan mikrofasies batugamping pada lokasi penelitian menggunakan analisis standar mikrofasies dengan sayatan tipis. Analisis petrografi terhadap sepuluh sampel batugamping menunjukan beberapa litologi meliputi mudstone, wackestone, packstone dan batugamping kristalin dengan kelimpahan foraminifera planktonik. Berdasarkan hasil analisis petrografi memperlihatkan beberapa tipe mikrofasies batugamping yaitu wackestone bioklastika dengan foraminifera planktonik globigerinids, mudstone pelagis dengan foraminifera planktonik globigerinid, mudstone dengan mikrit dan mikrosparit, dan peloidal packstone. Mikrofasies ini terendapkan di beberapa lingkungan pengendapan yaitu lingkungan dangkalan dalam, tepi dangkalan dalam dan paparan terbatas. Ketiga lingkungan pengendapan ini memiliki energi yang rendah dan memiliki komposisi mikrit yang sangat banyak serta kelimpahan foraminifera plantonik. Kata kunci: mikrofasies, batu gamping, foraminifera plantonik, Formasi Tokala, kristalin
Application of Audio Frequency Magnetotelluric (AMT) Method for Nickel Mineral Exploration in Area Laeya District, South Konawe Regency, Southeast Sulawesi Province, Indonesia Hasria; P. Ramba, Jeremy Patrio; Safani, Jamhir; Arisona; Junursyah, G.M. Lucki
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 3 (2025): JGEET Vol 10 No 03 : September (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.3.23200

Abstract

The AMT (Audio Frequency Magnetotelluric) method is a geophysical method that uses natural sources (passive method) so it does not require artificial sources and is very effective in mapping the resistivity contrast of subsurface rocks. The AMT (Audio Frequency Magnetotelluric) method is a geophysical method that uses natural sources (passive method) so it does not require artificial sources and is very effective in mapping the contrast of subsurface rock resistivity. This study aims to determine the coherence and nickel mineralization zones in the Laeya District area, South Konawe Regency, Southeast Sulawesi Province using the AMT method and supported by using drill data. The coherence of AMT data in the Laeya District area, South Konawe Regency based on the magnitude and phase curves of apparent resistivity after the XPR selection process experienced a significant increase in data quality at all points indicated at point LY02 from 49.09% coherence to 78.32%. Nickel mineralization zone based on 2D cross-section data of AMT resistivity and Drilling data in Laeya District, South Konawe Regency shows the distribution of nickel enrichment areas which are qualitatively marked by light blue color with resistivity values of 11 to 21 Ohm m located at points LY03, LY04, LY06, LY07 and LY08. Drilling data shows the presence of limonite layers at drill points DHB15 and DHB16. The presence of Sulawesi Molasa which is a feature of nickel deposits in the South Konawe area is also detected in the 2D cross-section.
Co-Authors Ali Okto Bahdad Busnawir Dwikoranto Eldin Fahyuddin G.M. Lucki Junursyah, G.M. Lucki Hasria Ismail Kodirun Masri Muliddin P. Ramba, Jeremy Patrio Praja, Nia Kurnia Rahmawati Safani, Jamhir Widiasih Zamsir