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All Journal AlphaMath: Journal of Mathematics Education Jurnal Ilmu Psikologi dan Kesehatan
Ayu Made Ratna Dewi, Ida
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Health Professions Mathematics Medicine & Pharmacology Nursing Public Health

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Integrating Teaching at the Right Level with Problem-Based Learning to Enhance Mathematics Learning Outcomes Sukmawati, Dewi; Ayu Made Ratna Dewi, Ida; Hayati, Laila
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 11, No. 1, May 2025
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v11i1.25251

Abstract

This study aims to enhance students' mathematics learning outcomes at SMAN 3 Mataram by implementing the Teaching at the Right Level (TaRL) approach integrated with the Problem-Based Learning (PBL) model. Conducted as classroom action research, the study spans three cycles, each comprising four stages: planning, implementation, observation, and reflection. The subjects were 35 students from class X-1 at SMAN 3 Mataram during the second semester of the 2023/2024 academic year. Research instruments included observation sheets for lesson design implementation, written tests, and student reflection questionnaires. Results indicate that integrating TaRL with PBL significantly improved mathematics learning outcomes. In Cycle I, the average score was 77.60, with a classical mastery of 68.57%, marking a 7.11% increase from the pre-cycle. Cycle II saw the average score rise to 86.91 with a classical mastery of 85.71%, a 9.31% improvement from Cycle I. By Cycle III, the average score reached 91.00 with a classical mastery of 100%, reflecting a 4.09% increase from Cycle II. These findings conclude that the TaRL approach integrated with the PBL model significantly enhances the mathematics learning outcomes of class X-1 students at SMAN 3 Mataram in the second semester of the 2023/2024 academic year.
KAJIAN LITERATUR: POTENSI EKSTRAK TERONG UNGU (SOLANUM MELONGENA L.) SEBAGAI AGEN ANTIOKSIDAN TERHADAP STRES OKSIDATIF HEPAR PADA MENOPAUSE Ayu Made Ratna Dewi, Ida; Sugiritama, I Wayan; Made Linawati, Ni
Jurnal Ilmu Psikologi dan Kesehatan (SIKONTAN) Vol. 5 No. 1 (2026)
Publisher : Lafadz Jaya Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47353/sikontan.v5i1.4818

Abstract

Menopause is a physiological phase characterized by declining estrogen levels, contributing to increased oxidative stress resulting from an imbalance between the production of reactive oxygen species (ROS) and endogenous antioxidant defense systems. This condition can trigger cellular damage in various organs, including the liver, evidenced by elevated lipid peroxidation biomarkers—such as malondialdehyde (MDA)—and reduced activity of antioxidant enzymes, including superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx). Consequently, the use of natural antioxidants represents a potential approach to mitigating the impact of oxidative stress during menopause. Purple eggplant (*Solanum melongena* L.) is known to contain various bioactive compounds—notably anthocyanins (nasunin), flavonoids, and phenolic acids like chlorogenic acid—that exhibit antioxidant and hepatoprotective activities. This literature review aims to evaluate the bioactive potential of purple eggplant extract as a candidate for natural intervention against hepatic oxidative stress in menopausal conditions. The study involved a review of relevant scientific literature concerning menopause, hepatic oxidative stress, natural antioxidants, and the phytochemical composition of *Solanum melongena*. The findings indicate that bioactive compounds in purple eggplant extract have the potential to reduce oxidative stress through mechanisms such as free radical scavenging, inhibition of lipid peroxidation, and enhancement of endogenous antioxidant system activity. These effects are characterized by decreased MDA levels and increased activities of SOD, CAT, and GPx. Beyond direct antioxidant activity, the phytochemicals in purple eggplant may also modulate molecular pathways involved in cellular defense against oxidative stress. Thus, purple eggplant extract holds promise as a natural, phytochemical-based intervention to help prevent hepatic oxidative stress during menopause. However, further research—particularly human clinical trials—is required to confirm its efficacy and safety.
Co-Authors Dewi Sukmawati I Wayan Sugiritama Laila Hayati, Laila Made Linawati, Ni