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Effectiveness of Edmodo-Based Mobile Learning System Application In Physics Learning For XI MIPA Students SMA Negeri 1 Makassar Fauziah, Andi; Junaedi, Subaer; Amin, Bunga Dara
Asian Journal of Science Education Vol 5, No 1: April, 2023
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ajse.v5i1.30039

Abstract

The research aims to determine the effectiveness of guided inquiry with Edmodo-based mobile learning system implementation in physics learning. Edmodo is a learning management system application developed for mobile learning that enables students to access tasks and teaching materials anytime and anywhere. This research was quasi-experimental that used a pretest-posttest control group design with 11th-grade students in SMAN 1 Makassar as a sample, and each class consisted of 33 students who were used as the experimental class and the control class. The sample selection was carried out using a purposive sampling technique. The instrument used in this study was a physics learning achievement test in the form of multiple-choice tests. Data were analyzed using the T-test on two samples with test equipment that had gone through expert validation tests and empirical tests. The result of the T-test analysis showed no difference in learning outcomes between experimental and control classes before being treated, this result contradicts the results of the T-test analysis after treatment which shows significant differences in physics learning outcomes in students taught using guided inquiry by applying a learning-based mobile learning system with students taught using guided inquiry without mobile learning system. Based on these two T-test results and by using Cohen-D analysis with the result of 2,980. Therefore, the application of a mobile learning system based on Edmodo is effective in improving physics learning students outcomes in class XI MIPA SMA Negeri 1 Makassar.
CRITICAL THINKING ABILITY OF STUDENTS IN SOLVING ETHNOPHYSICS QUESTIONS Awaliah, Nur; Martawijaya, M. A.; Subaer, Subaer
JURNAL NALAR PENDIDIKAN Vol 12, No 2 (2024): JURNAL NALAR PENDIDIKAN
Publisher : Lembaga Penelitian Mahasiswa Penalaran UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jnp.v12i2.65845

Abstract

This quantitative descriptive study aims to determine students' critical thinking abilities in solving ethnophysics questions. The data obtained in this study are quantitative data analyzed using descriptive statistics. The sample in this study was 58 students. Based on the Gregory test, the validity value obtained was one based on the Gregory test requirements if Vc ≥ 0.75 or ≥ 75%, then it can be declared feasible, so it can be concluded that all critical thinking ability questions are feasible to use, while the reliability value obtained was 0.74 then it can be declared reliable. The instrument used to collect data is an essay test of 10 questions developed using critical thinking indicators, including interpretation, analysis, evaluation, and inference indicators. Based on research data, it was found that students' critical thinking abilities in solving econophysics questions were in the medium category, with an average of 25.53. Based on the analysis of each indicator, it was obtained that the highest indicator of students' critical thinking skills, with an average score of 7.72, was in the evaluation indicator, followed by the interpretation, inference, and analysis indicators.
Pemanfaatan Metode Fuzzy Logic dalam Memprakirakan Hujan (2025 – 2030) di Stasiun Meteorologi Kelas I Sultan Hasanuddin Prasetiyo, Adi; Husain, Husain; Subaer, Subaer; Arsyad, Muhammad; Palloan, Pariabti
Buletin GAW Bariri (BGB) Vol 6 No 1 (2025): BULETIN GAW BARIRI
Publisher : Stasiun Pemantau Atmosfer Global Lore Lindu Bariri - Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31172/bgb.v6i1.146

Abstract

Sultan Hasanuddin International Airport is an airport with a unique topography, making the process of rainfall formation at this airport very dynamic. To ensure safe flight operations at Sultan Hasanuddin International Airport, rainfall forecasting is needed using fuzzy logic methods, with input data influencing rainfall formation, such as precipitable water, relative vorticity, and divergence. In this study, the data used for applying fuzzy logic can be divided into three types: training data (for developing the fuzzy logic method), validation data (for validating the fuzzy logic method), and testing data (for testing the fuzzy logic method). Therefore, validating the fuzzy logic method to obtain results and accuracy of rainfall events, as well as testing the fuzzy logic method for rainfall event forecasting, are the goals of this research. The precipitable water, relative vorticity, divergence, and rainfall data in this study are divided into three types: training data (2010 – 2021), validation data (2022 – 2024), and testing data (2025 – 2030). The validation results for 2022 – 2024 were dominated by non – rain events, with 7.051 occurrences, while there were 948 occurrences of rain events. The accuracy of the fuzzy logic validation method was found to be 78.58% during 2022 – 2024, allowing the fuzzy logic method to be applied for forecasting rainfall events in 2025 – 2030, beginning with the creation of input data using the moving linear regression algorithm. The forecasting results for 2025 – 2030 using the fuzzy logic method were dominated by non – rain events, with 15.232 occurrences, while there were 2.296 occurrences of rain events.
Implementation of Problem-Based Learning Model and Its Effect on Students’ Physics Learning Outcomes Soamole, Ayu Swasti Dayuni; Arafah, Kaharuddin; Subaer, Subaer
Jurnal Pendidikan Fisika Vol. 11 No. 2 (2023): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/jpf.v11i2.10752

Abstract

This study aims to implement a problem-based learning model and to measure its effect on students' physics learning outcomes. This research is a pre-experiment using a one-group pretest-posttest research design. The population in this study were all students in class XI MIPA at SMA Negeri 1 Wangi-Wangi for the 2022/2023 academic year, while the sample was 35 students who were selected using the Slovin method. The results of the descriptive analysis showed that the average score of students' physics learning outcomes before using the problem-based learning model was 7.26. Conversely, after using the problem-based learning model, the average score of students' physics learning outcomes was 12.14. The results of the N-gain test analysis showed N = 0.36, which indicated that there was an increase in students' physics learning outcomes after using the problem-based learning model. Therefore, this study concluded that the problem-based learning model is effective in improving the physics learning outcomes of class XI MIPA students at SMA Negeri 1 Wangi-Wangi.
Hypocenter relocation to identify hidden faults and their environmental implications in the karst region of Maros-Pangkep, South Sulawesi Wulur, Kevin Hanyu Clinton; Junaedi, Subaer; Susanto, Agus; Purba, Joshua; Priadi, Ramadhan
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8663

Abstract

The Maros-Pangkep region in South Sulawesi is a tropical karst landscape not officially mapped as an active fault zone, yet it has exhibited increasing micro-seismic activity in recent years. This study investigates the potential existence of hidden faults through hypocenter relocation using the double-difference method. A total of 191 earthquake events with magnitudes of 1-2.6 were successfully relocated using BMKG catalog data and the IASP91 global velocity model. The resulting hypocenters form a northwest–southeast-trending cluster, with fault plane geometry of 333°–346° strike, 8°–9° dip, and ~11 km length. These events cluster along boundaries of the Tonasa, Camba, and intrusive rocks, where competence contrast and karstification localize deformation. To complement the spatial analysis, magnitude–frequency characteristics were evaluated using the Gutenberg–Richter relationship. The estimated b-value of 1.34 indicates a low-stress regime dominated by small-magnitude seismicity, consistent with distributed deformation in brittle, heterogeneous lithologies. Although micro-seismic in scale, the spatial and statistical patterns suggest the presence of a structurally weak and potentially seismogenic zone that is not reflected in current tectonic maps. These findings underscore the importance of including the Maros–Pangkep region of South Sulawesi in seismic hazard assessments and land management efforts. The integration of relocation techniques and seismicity statistics proves effective for detecting latent fault structures in complex karst settings. In addition to seismic risks, such activity may accelerate land degradation through sinkholes, aquifer disruption, and ground instability, highlighting the value of geophysical assessments in managing vulnerable karst environments.
Co-Authors - Nurhayati Abdul Haris Adi Prasetiyo, Adi Afifah, Kharisma Noor Agus Susanto Agus Susanto Amiruddin Zainuddin Armayani M Awaliah, Nur Bunga Dara Amin Eko Hadi Sujiono Farina, Farina Fauziah, Andi H. Bancong Hamzah Fansuri Hidawati, Hidawati Hidayati, Ririn Eva Husain Husain I. Yusuf Ida Ayu Putu Sri Widnyani Iqbal, Rendy Muhamad Irhamsyah, A. Kaharuddin Arafah M. A. Martawijaya Malago, Jasaruddin Muh. Saleh, Muh. Muhammad Arsyad Muris Muris, Muris Musdalifa Mansur Nur Annisa Nur Fadillah, Nur Nurfadil, Nurfadil Nurhasmi Nurhasmi Nurhayati Nurhayati Nurhayati Nurhayati Oktaviani, Sri Padilla, Nur Pariabti Palloan Pratama, Muhammad Akbar Priadi, Ramadhan Purba, Joshua Putri, Karmila R.Y. Perry Burhan, R.Y. Perry Ridho Bayuaji Rifaatul Mahmudah San, Fitria Pebriyanti Silvana Dwi Nurherdiana Soamole, Ayu Swasti Dayuni Solly Aryza Sulfianty Supriadi, Warih Wulur, Kevin Hanyu Clinton