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Efektivitas Model Problem Based Learning Berbantuan Media Digital untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa SMA pada Materi Pemanasan Global Nyai Ratu Syahira; Lina Aviyanti; Dedi Sasmita
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 3 (2026): August (Inpres)
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i3.2820

Abstract

Problem-solving ability is one of the essential 21st-century competencies that students must develop. However, a preliminary study conducted at a public senior high school revealed that students' problem-solving ability remained low, with an average score of 42.32, far below the minimum mastery criterion (78), due to teacher-centered learning practices. This study aimed to analyze the improvement and effectiveness of the Problem Based Learning (PBL) model assisted by the IMOGLOW Flipbook E-Module digital media in enhancing students' problem-solving ability on the topic of Global Warming, as well as to examine students' responses to its implementation. This research employed a quantitative approach using a quasi-experimental method with a non-equivalent control group design. The participants consisted of 60 tenth-grade science students (30 students in the experimental class and 30 students in the control class), selected through convenience sampling. Data were collected using pretests, posttests, and a Likert-scale response questionnaire. The data were analyzed using the N-Gain test, prerequisite tests (Shapiro-Wilk and Levene's tests), the Mann-Whitney U test, and Cohen's d effect size with IBM SPSS Statistics version 26. The results indicated that the experimental class achieved a higher average N-Gain score (61.78%, moderately effective) than the control class (42.99%, less effective), with an Asymp. Sig. (2-tailed) value of < 0.001 and a Cohen's d effect size of 1.272, indicating a very large effect. In addition, students showed highly positive responses toward the learning implementation (89.17%, very good). The study concludes that integrating the Problem Based Learning model with the interactive IMOGLOW Flipbook E-Module is effective in improving students' problem-solving ability on the topic of Global Warming.
Expectations vs Recognition: An Analysis of the Implementation of a Science Teacher Training Program in Designing Smartphone-Assisted Practicum Activities Rizki Zakwandi; Alfiansah Sandion Prakoso; Ika Mustika Sari; Deden Saepuzaman; Dedi Sasmita
Jurnal Pendidikan dan Ilmu Fisika Vol 5 No 2 (2025): Desember 2025
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jpif.v5i2.43138

Abstract

This study proposes to examine the implementation of a science teacher training program for developing smartphone-assisted practicums, emphasizing the correspondence between expectations and program outcomes. This research depends on the substantial findings regarding the application of smartphones in scientific studies, which remain primarily theoretical and have not been extensively adopted by teachers in schools. The training program consists of three primary phases: self-assessment for science teachers, assessment of school laboratories, and a workshop focused on the utilization of smartphones in experiments. The results indicated that participants responded positively to the training, with the program's achievement level varying from "achieved" to "highly achieved." Educators evaluated the material as pertinent, practical, and capable of enhancing comprehension and proficiency in the design of novel experiments. The reflection results indicated a necessity for additional training on complex practical subjects, including Electricity, Magnetism, Thermodynamics, and Fluids, with instruction in the construction of student worksheets and smartphone sensor-based data analysis. This course connects research findings with educational practices and promotes the transformation of technology-enhanced science learning in schools.