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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) JURNAL PENDIDIKAN TAMBUSAI Indonesian Science Education Research (ISER) Indo-MathEdu Intellectuals Journal SEMESTA: Journal of Science Education and Teaching Mudabbir: Journal Research and Education Studies
Azzahra, Firda
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Journal : SEMESTA: Journal of Science Education and Teaching

 1 
Pengaruh Model Pembelajaran Berbasis Masalah terhadap Keterampilan Berpikir Kritis Peserta Didik di SMPN 7 Padang Sarmila; Oktavia, Rani; Azzahra, Firda; Muttaqiin, Arief; Prima Sari, Monica
SEMESTA: Journal of Science Education and Teaching Vol. 8 No. 1 (2025): Semesta: Journal of Science Education and Teaching
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta/vol8-iss1/551

Abstract

Observations and interviews with science teachers at SMPN 7 Padang revealed that learning that trains students' critical thinking skills has not been implemented optimally. When students gave answers or asked questions related to the material in science learning, they were still hesitant or limited to understand, also scientific attitude towards science learning. The literature states that Problem Based Learning (PBL) model is able to train students' critical thinking skills. PBL shows effective approach to increase students’ potential and develop students’ critical thinking skills. Therefore, this study was conducted to determine the effect of the Problem Based Learning model on the Critical Thinking Skills of Grade VIII Students at SMP Negeri 7 Padang. This quantitative study used a quasi-experimental design with a pretest-posttest control group design. PBL Model as the independent variable in this study was employed to experimental class, while dependent variable was students’ critical thinking skills tested in both experimental and control class. The measurement of students’ critical thinking skills consisted of five indicators such as elementary clarification, basic support, inference, advance clarification, and strategy and tactics. The results showed a significant increase in students' critical thinking skills in the experimental group compared to the control group (p<0.05). It can be concluded that Problem Based Learning model significantly improve students’ critical thinking skills.
Pengaruh Model Discovery Learning Berbantuan Video terhadap Hasil Belajar Peserta Didik Juanda, Refika; Azzahra, Firda; Arif, Khairil; Wati, Fatma
SEMESTA: Journal of Science Education and Teaching Vol. 8 No. 1 (2025): Semesta: Journal of Science Education and Teaching
Publisher : Pendidikan IPA, FMIPA, UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/semesta/vol8-iss1/556

Abstract

This research was motivated by teacher-centered learning, which leads to students not actively participating in the learning process and it affects their learning outcomes. The purpose of this study was to examine the effect of applying the Discovery Learning model on student learning outcomes in science subjects for Grade VII students in junior high school. This study employed a quasi-experimental method, using a non-equivalent control group design. The sampling technique used was purposive sampling, with class VII-3 assigned as the control group using a conventional learning model, and class VII-4 as the experimental group which used the Discovery Learning model assisted by video. The research instrument was a multiple-choice written test. The data collected were analyzed using a normality test, a homogeneity test, and a hypothesis test. Based on the results of the hypothesis test, there was a significant difference in the average scores between the control and experimental classes. This is evidenced by the t-test results, where tcount=2.776 > ttable=2.004. Therefore, H₀ is rejected and Hₐ is accepted. Thus, it can be concluded that the application of Discovery Learning model assisted by video has a significant effect on students' learning outcomes.
Co-Authors Amira, Silviana Ananda, Riski Maulita Anwary, Faradisha Rauva Arief Muttaqiin Evita Putri, Rahmah Fadli, Reica Fatma wati Febri Yanto, Febri Fitriani, Sukma G, Mufidah Idrus, Nur Istiqomah A. Juanda, Refika Lestari, Tuti Nabilla, Salsa Oktavia, Rani Prima Sari, Monica Putri, Aulia Musva Putri, Rahmah Evita Putri, Ridona Zulyeni Rahmadhani, Chintya Rusma, Olyivia Retdwina Sarmila Siagian, Deswita