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The Effect of Problem-Solving Learning Model on Students’ Critical Thinking Skills in High School Physics Learning Al Yamani, Reza Rahmiyatul Najwa; Susanna; Ahmad Farhan; Abdul Hamid; Ngadimin
Jurnal Pendidikan Fisika Vol. 14 No. 2 (2026): PENDIDIKAN FISIKA
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/bnp5f082

Abstract

Critical thinking is an essential competence in 21st-century physics learning, particularly because students are expected not only to memorize formulas but also to analyze scientific phenomena, evaluate evidence, and construct logical explanations. However, physics instruction in high schools often remains dominated by teacher-centered practices that provide limited opportunities for students to develop higher-order thinking skills. This study aimed to examine the effect of the problem-solving learning model on high school students’ critical thinking skills in learning about static fluids. A quantitative, pre-experimental one-group pretest–posttest design was employed. The participants were 24 Grade XI Science students at SMA Negeri 15 Adidarma Banda Aceh, selected through purposive sampling. Data were collected using an essay-based critical thinking skills test developed based on five indicators: elementary clarification, basic support, inference, advanced clarification, and strategy and tactics. The data were analyzed using descriptive statistics, N-Gain, paired sample t-test, Cohen’s d, and eta squared. The results showed that students’ average critical thinking score increased from 38.33 in the pretest to 80.71 in the posttest, with an average N-Gain of 0.70, categorized as high. The paired-samples t-test indicated a significant difference between pretest and posttest scores (p = 0.000 < 0.05). The effect size analysis showed a Cohen’s d value of 3.91 and an eta squared value of 0.97, indicating a very strong practical effect. The novelty of this study lies in providing empirical evidence on the application of problem-solving learning in static fluid material. These findings contribute to physics education by confirming that structured problem-solving instruction can effectively promote students’ critical thinking and meaningful conceptual understanding.
Penguatan Daya Saing UMKM melalui Optimalisasi Kemasan Produk dan Pemasaran Digital di Kabupaten Gowa Ilma Wulansari Hasdiansa; Sitti Hasbiah; Annisa Paramaswary Aslam; Nurul Fadilah Aswar; Ahmad Farhan
Inovasi Sosial : Jurnal Pengabdian Masyarakat Vol. 3 No. 2 (2026): Mei : Inovasi Sosial : Jurnal Pengabdian Masyarakat
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/inovasisosial.v3i2.3216

Abstract

Micro, small, and medium enterprises (MSMEs) play an important role in supporting the community’s economy; however, they still face various limitations in business management, particularly in product packaging and digital marketing. This community service activity aims to enhance the capacity of MSME actors in optimizing product packaging design and utilizing digital marketing in Pattallassang District, Gowa Regency. The activity was conducted in February 2026 and involved 8 home-based business actors as participants. The methods used included socialization, training, and participatory-based mentoring, which began with a pre-test to measure the participants’ initial level of understanding. The materials provided covered product packaging design, label or logo creation, and the use of social media and marketplaces in digital marketing. The results showed an improvement in participants’ knowledge and skills in designing more attractive product packaging and utilizing digital platforms as marketing tools. Participants also began to understand the importance of branding and marketing strategies in increasing product competitiveness. Overall, this activity had a positive impact on improving the capacity of MSME actors in terms of knowledge, skills, and attitudes in managing their businesses. This activity is expected to be an initial step in encouraging MSME actors to be more adaptive to technological developments and able to compete in a broader market.