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Problem Based Learning Effect Using the TaRL Approach on Problem-Solving Skills in Global Warming Topic Eisha Jansyah Yusuf; Devi Solehat; Fuji Hernawati Kusumah
Jurnal Penelitian Pembelajaran Fisika Vol. 16 No. 4 (2025): OCTOBER 2025
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v16i4.2830

Abstract

Physics learning is often considered difficult because students are unable to relate concepts to real-world problems they encounter. This condition results in low problem-solving skills among students, especially on contextual topics such as global warming. This study aims to determine the effect of the Problem Based Learning (PBL) model with the Teaching at the Right Level (TaRL) approach on students' problem-solving skills in global warming material. The research method used was quantitative with a quasi-experimental design of the pretest- posttest control group type. The research subjects consisted of 64 tenth-grade students at SMA Negeri 87 Jakarta, divided into an experimental class using the PBL-TaRL model and a control class using scientific learning. The research instrument was an essay test of problem-solving skills based on Polya's stages. The results showed that the average posttest score of the experimental class was higher than that of the control class. Based on the Ngain results, the N- gain was 0.58 (medium category) for the experimental group compared to 0.29 (low category) for the control group. Thus, the Problem Based Learning (PBL) model with the Teaching at the Right Level (TaRL) approach had a significant effect on students' problem-solving skills in global warming material.
ANALISIS HUBUNGAN LAJU ANGIN DAN DAYA LISTRIK MINIATUR PEMBANGKIT LISTRIK TENAGA ANGIN Marsa Khoerunnisa; Rachmawati Putri Ainiyah; Khadijah Azahra; Fuji Hernawati Kusumah
Journal Of Power electric And Renewable Energy Vol 3 No 1 (2025): Juni 2025
Publisher : Sekolah Tinggi Teknologi Bontang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59811/

Abstract

Permasalahan kebutuhan energi yang terus meningkat serta ketergantungan terhadap energi fosil yang tidak ramah lingkungan mendorong pemanfaatan sumber energi alternatif, salah satunya energi angin. Energi ini tidak hanya ramah lingkungan, tetapi juga dapat dimanfaatkan dalam skala kecil, seperti melalui miniatur pembangkit listrik tenaga angin yang berfungsi sebagai media pembelajaran dan eksperimen. Penelitian ini bertujuan untuk menganalisis hubungan antara kecepatan angin dan daya listrik yang dihasilkan miniatur pembangkit. Sistem terdiri atas kincir angin tiga bilah, generator DC, lampu LED, multimeter, dan anemometer yang dipasang pada sepeda motor. Uji coba dilakukan dengan menggerakkan sepeda motor pada kecepatan 20, 30, dan 40 km/jam. Hasil pengukuran menunjukkan bahwa pada tiga kecepatan tersebut, daya yang dihasilkan berturut-turut sebesar 0,18, 1,45, dan 8,82 watt. Namun, LED tidak menyala saat pengukuran menggunakan multimeter, tetapi menyala ketika multimeter dilepas. Hal ini disebabkan oleh hambatan dari alat ukur yang mempengaruhi besar arus listrik sehingga daya yang terukur menjadi kecil. Penelitian lanjutan diperlukan untuk menentukan metode pengukuran yang lebih baik agar tidak mempengaruhi performa sistem
The Effect of the CTL Model on Students’ Critical Thinking Skills in Static Fluids Irfan Daniel; Erina Hertanti; Fuji Hernawati Kusumah
Jurnal Penelitian Pembelajaran Fisika Vol. 17 No. 1 (2026): JANUARY 2026
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v17i1.3020

Abstract

The low level of students' critical thinking skills in physics subjects especially fluids static is a problem that includes understanding concepts and applying knowledge in real-world contexts. This study aims to examine the effect of the Contextual Teaching and Learning (CTL) model on students’ critical thinking skills in the topic of static fluids. A quasi-experimental method with a non-equivalent control group design was employed involving 66 eleventh-grade students at SMA Negeri 98 Jakarta, divided into an experimental group receiving CTL instruction and a control group taught using conventional methods. Critical thinking data were collected through a test based on Tiruneh’s indicators and analyzed using the Independent Sample T-Test and N-Gain calculation. The results indicate a significance value of 0.022 (< 0.05) and an N-Gain of 0.60 for the experimental group, higher than the control group’s 0.43. These findings demonstrate that CTL significantly enhances students’ critical thinking skills. The implications suggest that CTL is suitable for physics learning, especially for abstract topics such as static fluids, to strengthen cognitive skills and promote more meaningful learning.
Development of a Renewable Energy Model Based on Discovery Learning to Improve Students’ Critical Thinking Skills Syifa Fauzia; Erina Hertanti; Fuji Hernawati Kusumah
Jurnal Penelitian Pembelajaran Fisika Vol. 17 No. 1 (2026): JANUARY 2026
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v17i1.3336

Abstract

The low critical thinking skills of students in renewable energy learning and the limited availability of teaching aids that integrate various renewable energy sources are the background of this research. This research aims to develop a renewable energy model based on discovery learning to improve students' critical thinking skills. This research uses a development research model consisting of four stages: preliminary research, prototyping stage, formative evaluation and summative evaluation. This research was conducted at MA Al-Khairiyah North Jakarta involving experts, teachers, and grade 10 students. The model integrates two renewable energy sources (solar and wind) in one system equipped with student worksheets based on discovery learning. Data were collected through expert validation questionnaires, student and teacher response questionnaires, and critical thinking ability tests. The results showed that the model met the criteria of feasibility, practicality, and effectiveness. Based on validation by media experts and subject matter experts, the model obtained percentage scores of 83.24% and 86%, respectively, with an average of 84.62%, included in the very feasible category. The practicality assessment showed a score of 93.75% from students and 87.5% from teachers, both categorized as very practical. The effectiveness aspect received a score of 90.6% from teachers, categorized as very effective. Students' critical thinking skills showed consistent improvement across all stages of the evaluation with n-gain values ​​ranging from 0.30 to 0.46, included in the moderate category. In conclusion, the renewable energy model based on discovery learning has proven effective in helping students understand the concept of renewable energy and improve their critical thinking skills through active learning experiences and observations.
Profile of Students’ Misconception Levels on Newton’s Laws Using a Six-Tier Diagnostic Test Hafsah Huwaida Az Zahra Yahya; Fuji Hernawati Kusumah; Erina Hertanti
Jurnal Penelitian Pembelajaran Fisika Vol. 17 No. 2 (2026): In progress
Publisher : Program Studi Pendidikan Fisika, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jp2f.v17i2.3419

Abstract

Conceptual understanding is a fundamental foundation in physics learning; however, numerous studies have reported that students continue to hold misconceptions that are resistant to formal instruction. One topic that is particularly prone to misconceptions is Newton’s Laws, which serve as a basis for understanding more advanced physics concepts. This study aims to profile students’ levels of misconceptions on Newton’s Laws based on diagnostic results obtained using a six-tier diagnostic test. This research employed a quantitative descriptive approach with a survey design. The participants were 132 eleventh-grade students from SMAN 2 Cikampek, selected through purposive sampling. The instrument used was a six-tier diagnostic test covering three sub-concepts of Newton’s Laws and analyzed based on combinations of students’ answers, conceptual reasoning, confidence levels, and sources of reasoning. The results indicate that although the sound understanding category showed the highest percentage (43.99%), more than half of the students were still classified as having problematic understanding, particularly misconceptions and negative errors. Misconceptions were consistently identified across all three sub-concepts of Newton’s Laws with a cumulative pattern, where the highest level of misconception occurred in Newton’s Third Law, especially in understanding action–reaction force pairs. From the perspective of misconception sources, students’ misconceptions were predominantly derived from internal cognitive constructions based on intuition and everyday experiences. These findings emphasize that instruction on Newton’s Laws should focus on eliciting and reconstructing students’ prior conceptual understanding in an integrated manner, so that persistent misconceptions can be reduced and students’ conceptual understanding can be improved.
Meta-analysis: The Effectiveness of Physics Learning Media on Students' Creative Thinking Abilities Nur Aulyatun Hasanah; Ai Nurlaela; Fuji Hernawati Kusumah
Journal of General Education and Humanities Vol. 5 No. 1 (2026): February
Publisher : MASI Mandiri Edukasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58421/gehu.v5i1.1097

Abstract

Indonesian students’ creative thinking achievement remains low (PISA 2022: 19/60; 31% reached baseline proficiency), indicating an urgent need for effective physics learning media. This meta-analysis aimed to determine the overall effectiveness of physics learning media in improving students’ creative thinking skills and to compare effects by media type and education level. Following PRISMA guidelines, we systematically searched and screened quantitative quasi-experimental studies published in 2017–2025, yielding 10 eligible articles, and calculated effect sizes using Cohen’s   to synthesise results. The findings showed a high overall effect of physics learning media on creative thinking (mean ES = 1.06), with moving audio-visual/interactive media producing the highest mean effect (ES = 1.33) and stronger effects in senior high school than junior high school (ES = 1.15 vs. 0.69). These results indicate that interactive and technology-supported physics media are effective for strengthening students’ creative thinking and should be prioritised in classroom practice.