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All Journal Chimica Didactica Acta : Journal of Chemistry and Chemistry Education Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education)
Watulingas, Maasje Catherine
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Chemistry Education

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Application of PBL-STEAM Based on Mandai Local Wisdom to Students' Critical Thinking Skills on Osmosis Pressure Material Rahmadani, Fitri Nur; Erika*, Farah; Watulingas, Maasje Catherine; Kasyfita, Nurul
Jurnal Pendidikan Sains Indonesia Vol 13, No 2 (2025): APRIL 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jpsi.v13i2.44553

Abstract

The PBL-STEAM approach based on Mandai local wisdom is designed to encourage students' activeness and curiosity in solving real problems by integrating Mandai local wisdom values. This study aims to determine the effect of PBL-STEAM based on Mandai local wisdom on students' critical thinking skills (CTS) on osmosis pressure material. The research used a quasi-experimental method with a non-randomized pretest-posttest control group design. The study population was class XII students of SMA Negeri 2 Samarinda in the 2024/2025 school year, with a research sample of class XII-C as the experimental class and XII-D as the control class, totaling 68 students selected using purposive sampling. Data were collected through CTS tests, teacher and student activity observation sheets, and student response questionnaires. The average score for CTS of experimental class students was 79.56, with a high category, and the control class's score was 70.38, with a medium category. The results of the independent samples t-test showed a sig value. (2-tailed) 0.000 0.05, indicating a significant effect of PBL-STEAM based on Mandai local wisdom on students' CTS. The paired samples t-test results showed a sig value. (2-tailed) 0.000 0.05, indicating an increase in the learning outcomes of experimental class students. Teacher and student activities in the experimental class in learning each reached 100% of the very applied category and 90.82% of the outstanding category. The average student response to PBL-STEAM learning was 85.47%, which is included in the very good category, which proves that this learning based on Mandai local wisdom is able to improve students' CTS
THE EFFECTIVENESS OF THE THINK PAIR SQUARE (TPSq) COOPERATIVE LEARNING MODEL ASSISTED BY STICK MEDIA ON STUDENT LEARNING OUTCOMES IN CHEMICAL COMPOUND NOMENCLATURE Siburian, Putri Dela; Silalahi, Yoisi Fortuna; Watulingas, Maasje Catherine; Rahmadani, Agung
Chimica Didactica Acta Vol 13, No 1: June 2025
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jcd.v13i1.45852

Abstract

Low student learning outcomes are often caused by limited student participation and the use of teacher-centered learning approaches. This study aims to determine the effectiveness of the Think Pair Square (TPSq) cooperative learning model assisted by stick media in improving student learning outcomes, particularly in the topic of chemical compound nomenclature. The research used a pre-experimental one-group pretest-posttest design with participants from class X-10 students at a senior high school (N=32). Learning outcomes were measured using tests given before and after the implementation of the model. Data were analyzed using a non-parametric Wilcoxon test. The results indicated a significant improvement in student learning outcomes, with an N-Gain score of 0.71 (high category) and an effect size of 3.85 (very strong category). The TPSq model, supported by stick media, encouraged students to think, discuss, and share ideas actively, leading to a deeper understanding of the material. In conclusion, the stick media-assisted TPSq learning model is effective in enhancing student learning outcomes in chemical compound nomenclature.
Co-Authors Erika*, Farah Fitri Nur Rahmadani Kasyfita, Nurul Rahmadani, Agung Siburian, Putri Dela Silalahi, Yoisi Fortuna