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All Journal Pendekar : Jurnal Pendidikan Berkarakter Gravity Edu : Jurnal Pembelajaran dan Pengajaran Fisika
Utami, Meldi Putri
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Astronomy Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Mathematics Mechanical Engineering Physics Other

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Pengaruh Media Pembelajaran Berbasis PhET Simulation Pada Materi Tekanan Zat Terhadap Keterampilan Berpikir Kritis Siswa SMP Utami, Meldi Putri; Aristya Putra, Pramudya Dwi; Wahyuni, Diah
Gravity Edu : Jurnal Pembelajaran dan Pengajaran Fisika Vol 7 No 1 (2024): Gravity Edu : Jurnal Pembelajaran dan Pengajaran Fisika
Publisher : Universitas Nggusuwaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33627/ge.v7i1.1150

Abstract

The purpose of this study was to determine the significant effect of using learning media based on PhET Simulation on substance stress material on junior high school students' critical thinking skills using a quasi-experimental research methodology and a nonequivalent control group design. The subjects of this study were students of class VIIIF and VIIIH of SMPN 3 Jember. The results of the pretest-posttest were used to collect research data, and the parametric independent sample t-test was used to analyze the data. Based on the results of the study, the posttest mean value for the control class was 60.78, while the posttest mean value for the experimental class was 71.28. The mean value of the experimental class is higher than the control class. the mean value in the experimental class is better than the control class. The parametric test using the independent sample t-test found that there was a difference in the average score of the two classes' critical thinking skills with a significance of 0.000. Furthermore, it is strengthened by the right-hand t-test by realizing the value of tcount > ttable. These results determine that the mean score of critical thinking skills in the experimental class is higher than the control class. The difference in the results of critical thinking skills is due to the two classes being treated differently, namely the control class using video experiments and the experimental class using learning media based on PhET Simulation. Based on the research results, it can be concluded that the use of learning media based on PhET Simulation on substance stress material has a significant effect on junior high school students' critical thinking skills.
Implementasi Model Problem-Based Learning untuk Meningkatkan Keterampilan Komunikasi Peserta Didik pada Pelajaran IPA di SMP Nisak, Khoirun; Utami, Meldi Putri; Supeno, Supeno; Wardani, Dewi Novi
Pendekar: Jurnal Pendidikan Berkarakter Vol 8, No 2 (2025): Juli
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/pendekar.v8i2.31057

Abstract

Abstract: This research is motivated by the importance of oral and written communication skills as part of 21st century skills that need to be developed early in the learning process, especially in science subjects that demand critical thinking skills and cooperation. Therefore, this study aims to improve students' oral and written communication skills through the application of the Problem-Based Learning (PBL) model in science subjects. The research was conducted as a collaborative Classroom Action Research (PTK) in class VII C SMP Negeri 11 Jember for two cycles. Data were obtained through observation of students' communication activities and analysis of students' worksheets (LKPD), which included rubrics for assessing oral and written communication skills. Data analysis techniques were carried out through data reduction, data presentation and conclusion drawing. The results showed that the average percentage of learner communication skills indicators increased from 66% in the pre-cycle to 83% in cycle II. This increase was supported by the application of PBL combined with the Teaching at the Right Level (TaRL) approach. These results indicate that problem-based learning designed in a differentiated and contextual manner can optimally develop learners' communication skills.Abstrak: Penelitian ini dilatarbelakangi oleh pentingnya keterampilan komunikasi lisan dan tulisan sebagai bagian dari kecakapan abad 21 yang perlu dikembangkan sejak dini dalam proses pembelajaran, khususnya pada mata pelajaran IPA yang menuntut keterampilan berpikir krtisis dan kerja sama. Oleh karena itu penelitian ini bertujuan untuk meningkatkan keterampilan komunikasi lisan dan tulisan peserta didik melalui penerapan model Problem-Based Learning (PBL) pada mata pelajaran IPA. Penelitian dilaksanakan sebagai Penelitian Tindakan Kelas (PTK) kolaboratif di kelas VII C SMP Negeri 11 Jember selama dua siklus. Data diperoleh melalui aktivitas komunikasi peserta didik dan analisis lembar kerja peserta didik (LKPD), yang mencakup rubrik penilaian keterampilan komunikasi lisan dan tulisan. Teknik analisis data dilakukan melalui reduksi data, penyajian data dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa rata-rata persentase indikator keterampilan komunikasi peserta didik meningkat dari 66% pada pra siklus menjadi 83% pada siklus II. Peningkatan ini didukung oleh penerapan PBL yang dipadukan dengan pendekatan Teaching at The Right Level (TaRL). Hasil ini menunjukkan bahwa pembelajaran berbasis masalah yang dirancang secara diferensiasi dan kontekstual dapat mengembangkan keterampilan komunikasi peserta didik secara optimal. 
Co-Authors Diah Wahyuni KHOIRUN NISAK Pramudya Dwi Aristya Putra Supeno Wardani, Dewi Novi