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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal)
Muh. Risal
Universitas Muhammadiyah Makassar
Agriculture, Biological Sciences & Forestry Chemistry Education Physics

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Pengaruh Model Pembelajaran Problem Based Learning terhadap Peningkatan Hasil Belajar Siswa Kelas VIII UPT SMP Negeri 4 Takalar Muh. Risal; A. Khairah Yukhlifah S; Muhammad Dahlan
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 01 (2025): Volume 12 No. 01 Maret 2026
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i01.11101

Abstract

Conventional learning often shows ineffectiveness in improving student learning outcomes on the topic of the human respiratory system in grade VIII, mainly due to low student motivation and engagement in the learning process. Therefore, the Problem-Based Learning (PBL) model is proposed as an innovative alternative. This study aims to examine the effect of implementing the PBL model on improving student learning outcomes in grade VIII B of UPT SMP Negeri 4 Takalar. Adopting a quasi-experimental approach with a non-equivalent control group pretest-posttest design, the study involved 26 students who were divided equally into an experimental group (13 students implementing PBL) and a control group (13 students with a conventional approach). Data collection was carried out through learning outcome tests and observations of student activities, then analyzed using a t-test. The findings revealed that the average posttest score of the experimental group reached 85.67, significantly higher than the control group at 75.84, with a p value <0.05 indicating a significant effect of PBL. The research conclusion states that PBL is effective in increasing understanding of the concept of the human respiratory system, in line with the principles of the Independent Curriculum, so it is recommended for widespread application in school environments.
Pengaruh Media Pembelajaran WordWall terhadap Motivasi dan Hasil Belajar Siswa pada Materi Sistem Ekskresi Kelas XI SMA Negeri 23 Makassar Muh. Risal; Muhammad Wajdi; Riza Sativani Hayati
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.v7i3.1889

Abstract

This study aimed to determine the effect of using WordWall  learning media on students’ motivation and learning outcomes in the excretory system topic among eleventh-grade students at SMA Negeri 23 Makassar. The study employed a quasi-experimental method with a nonequivalent control group design. The research population consisted of all Grade XI students, while the sample included Class XI Merdeka 2 as the experimental group and Class XI Merdeka 1 as the control group, selected through purposive sampling. Data were collected using tests, questionnaires, and documentation. The data were analyzed using descriptive and inferential statistics. The results showed that students’ learning motivation in the experimental class was higher than that in the control class. The Mann–Whitney test yielded a significance value of 0.000 < 0.05, indicating a significant effect of WordWall  media on students’ learning motivation. In terms of learning outcomes, the experimental class also demonstrated greater improvement than the control class, with an N-Gain score of 0.71 in the high category, while the control class obtained an N-Gain score of 0.53 in the moderate category. The independent sample t-test produced a significance value of 0.009 < 0.05, indicating a significant effect of WordWall  learning media on students’ learning outcomes. Therefore, it can be concluded that the use of WordWall  learning media has a positive and significant effect on students’ motivation and learning outcomes in the excretory system topic.
Co-Authors A. Khairah Yukhlifah S Muhammad Dahlan Muhammad Wajdi Riza Sativani Hayati