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All Journal Al Ishlah Jurnal Pendidikan JURNAL PENDIDIKAN MIPA Buletin Pengabdian
Susilawati Susilawati
Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Education Engineering Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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Implementing the Missouri Mathematics Project Learning Model to Enhance Students’ Physics Problem-Solving Skills Desy Shafira Siahaan; Muhammad Syukri; Evendi Evendi; Susilawati Susilawati; Erni Maidiyah; Fitria Herliana
AL-ISHLAH: Jurnal Pendidikan Vol 17, No 3 (2025): SEPTEMBER 2025
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v17i3.7197

Abstract

Problem-solving is a critical competency for students, particularly in physics education. However, observations and literature reviews indicate that students' physics problem-solving abilities remain low. This deficiency is often linked to underdeveloped mathematical skills, which are essential for understanding and applying physics concepts. This study aims to analyze the significant differences in students' physics problem-solving abilities between those taught using the Missouri Mathematics Project (MMP) model and those taught using conventional instructional methods. This quasi-experimental research employed a nonequivalent control group design. The study was conducted at Madrasah Aliyah Negeri (MAN) Tanjungbalai with a population of 95 students. A purposive sampling technique was used to select 47 students, divided into experimental and control groups. The instruments used were a physics problem-solving test consisting of five essay questions and a student response questionnaire. Data were analyzed using the independent t-test.Findings reveal that students in the experimental group, taught using the MMP model, demonstrated significantly higher problem-solving ability than those in the control group. This is evidenced by the N-Gain scores: the experimental class achieved an average N-Gain of 0.74, compared to 0.51 in the control class.The results indicate that the MMP model positively influences students' physics problem-solving skills. The structured and collaborative nature of MMP may enhance conceptual understanding and application, suggesting its potential as an effective teaching strategy in physics education.
Enhancing Students’ Critical Thinking in Physics through Discovery Learning-Based Worksheets: Integrating Facione’s Framework in a Quasi-Experimental Study Susilawati Susilawati; Ananda Muliyana; Susanna Susanna
JURNAL PENDIDIKAN MIPA Vol. 16 No. 3 (2026): JURNAL PENDIDIKAN MIPA
Publisher : Pusat Publikasi Ilmiah, STKIP Taman Siswa Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37630/jpm.v16i3.4613

Abstract

This study aims to investigate the effect of discovery learning-based student worksheets on improving students’ critical thinking skills in physics, particularly on the topic of straight motion. A quasi-experimental design with a non-equivalent control group was employed, involving 66 eleventh-grade students divided into an experimental group (n = 34) and a control group (n = 32), selected through purposive sampling. Data were collected using a set of 20 validated multiple-choice items designed to measure critical thinking skills. The results reveal that the experimental group achieved a higher mean posttest score (M = 75.64) compared to the control group (M = 71.91), with a moderate N-gain value (0.57). Statistical analysis using the independent samples t-test indicates a significant difference between the two groups (p = 0.01 < 0.05), confirming the effectiveness of the intervention. Notably, the highest improvement was observed in the inference indicator (91.18%), suggesting that the Discovery Learning approach particularly enhances students’ ability to draw logical conclusions. This study contributes an empirically-tested worksheet model that explicitly maps each discovery learning stage to a specific Facione critical thinking indicator. The differentiated N-Gain outcomes observed per indicator (ranging from 0.27 for self-regulation to 0.84 for inference) serve as empirical evidence of the mapping’s differential instructional effect, providing measurable diagnostic value beyond a holistic improvement score. It should be noted that the causal contribution of each individual worksheet stage to each specific indicator has not been directly tested; the observed differentiation represents a theoretically-grounded design inference supported by indicator-level outcome patterns. It is recommended that educators adopt discovery learning-based instructional materials that are explicitly aligned with critical thinking indicators to optimize students’ higher-order cognitive skills. Future research should examine the long-term impact of such interventions and explore their applicability across different scientific domains and educational contexts.
Application of simplicial technology in Haleu herbal tea production for enhancing body immunity [Aplikasi teknologi simplisia dalam produksi teh herbal Haleu untuk meningkatkan imunitas tubuh] Elizar Elizar; Nova Fajri; Irma Sari; Susilawati Susilawati; Marisa Marisa; Suryawatie Suryawatie
Buletin Pengabdian Bulletin of Community Services Vol 5, No 2 (2025): Bull. Community. Serv.
Publisher : The Institute for Research and Community Services (LPPM) Universitas Syiah Kuala (USK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/bulpen.v5i2.44127

Abstract

The use of family medicinal plants (Tanaman Obat Keluarga/TOGA) has long been an integral part of local wisdom, passed down through generations in various regions, including among the Family Welfare Empowerment (PKK) women's group in Cot Bada Village. While the group has extensive experience in cultivating medicinal plants, the downstream processing of these resources into value-added products remains suboptimal. This community service program aims to enhance the skills of the PKK women's group in Cot Bada Village, Aceh Besar, in processing lemongrass and ginger into a herbal tea product called Teh Haleu. Through training based on appropriate technology, participants were introduced to the tea production process, including selecting high-quality ingredients, drying using a Food dehydrator Tray, and packaging the product attractively to meet market standards. Additionally, financial management and marketing training was provided to support the sustainability of the business. The program's outcomes revealed that the PKK women successfully produced Teh Haleu ready for sale with high-quality standards, receiving positive feedback from the market. As a follow-up, plans include mass production and obtaining BPOM and halal certifications to enhance the product's competitiveness and economic potential. This program delivers economic benefits and empowers the community to optimize local resources effectively and sustainably.
Co-Authors Ananda Muliyana Desy Shafira Siahaan Elizar Elizar Erni Maidiyah Evendi Evendi Fitria Herliana Irma Sari Marisa Marisa Muhammad Syukri Nova Fajri Suryawatie Suryawatie Susanna Susanna