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All Journal JPMS (Jurnal Pendidikan Matematika dan Sains) Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya Jurnal Ilmu Pendidikan Indonesia JES-TM Social and Community Service
Simorangkir, Agustina
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Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Education Engineering Mathematics Physics Other

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Fostering Confidence in Chemistry: How Problem-Based Learning Elevates Self-Efficacy Simorangkir, Agustina; Rohaeti, Eli
Jurnal Pendidikan Matematika dan Sains Vol. 13 No. 1 (2025): June 2025
Publisher : Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpms.v13i1.84437

Abstract

This article examines the role of Problem-Based Learning (PBL) in fostering self-efficacy among high school students, emphasizing how this pedagogical approach enhances students' self-efficacy in their ability to understand and apply chemistry concepts. By engaging students with real-world problems, PBL promotes active participation and critical thinking, encouraging students to take ownership of their learning. The study investigates how PBL aids students in overcoming challenges traditionally associated with chemistry education by providing hands-on, direct experiences. The research shows a notable difference in students' self-efficacy before and after the implementation of PBL, while no significant change was observed in students' self-efficacy before and after using the scientific approach. This article offers valuable insights for educators seeking to implement PBL in chemistry classrooms as a strategy to enhance student outcomes, foster a deeper understanding of chemistry, and cultivate sustained interest in the subject.
Pembelajaran Kimia: Bagaimana Model Pembelajaran Kimia Meningkatkan Prestasi Belajar Siswa Simorangkir, Agustina
SAINTIFIK Vol 10 No 2 (2024): Saintifik: Jurnal Matematika, Sains, dan Pembelajarannya
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/saintifik.v10i2.609

Abstract

Alasan mengapa pembelajaran kimia dianggap sulit oleh siswa karena sifatnya yang abstrak, kompleks, dan menuntut pemahaman konseptual yang mendalam. Peningkatan prestasi akademik siswa dapat dicapai dengan mengimplementasikan model pembelajaran yang efektif, seperti Problem Based Learning (PBL). Fokus utama penelitian ini adalah kesetimbangan kimia, disertai analisis efektivitas model pembelajaran kimia, seperti Problem Based Learning (PBL), terhadap peningkatan capaian belajar. Dengan penerapan model yang sesuai, siswa tidak hanya lebih memahami konsep-konsep kimia, tetapi juga menunjukkan peningkatan dalam prestasi belajar mereka. Kajian ini menegaskan bahwa transformasi dalam strategi pembelajaran sangat berpengaruh terhadap peningkatan kualitas pembelajaran kimia di sekolah. Hasil penelitian ini memperlihatkan peningkatan yang substansial pada capaian belajar siswa pasca-implementasi model Problem Based Learning (PBL). Penelitian ini menyajikan informasi berharga bagi para pengajar yang mempertimbangkan PBL di kelas kimia. Diharapkan bahwa implementasi ini akan berfungsi sebagai strategi efektif dalam meningkatkan hasil belajar, memperdalam pemahaman kimia siswa, serta mendorong minat berkelanjutan mereka terhadap mata pelajaran tersebut.
High School Chemistry Learning: The Correlation Between Students' Critical Thinking and Self-Efficacy Simorangkir, Agustina; Raidil, Muhammad
Jurnal Pendidikan Matematika dan Sains Vol. 13 No. Special_issue (2025): Integrasi Pendidikan Matematika dan Sains dalam Mendukung Sustaina
Publisher : Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpms.v13iSpecial_issue.88280

Abstract

This study aimed to investigate the relationship between critical thinking skills and self-efficacy in high school chemistry learning. This research investigates the correlation between students' critical thinking skills and their self-efficacy. Conducted at a senior high school in Jayapura, the research involved a sample of 96 students, selected using a random sampling technique. Utilizing a quantitative approach with a correlational research design, data were collected through standardized instruments measuring students’ critical thinking and self-efficacy. The instruments used were a self-efficacy questionnaire and a critical thinking skills test in the form of open-ended two-tier multiple-choice questions. The reliability of the critical thinking test was 0.850. The validity test of the self-efficacy questionnaire showed infit and outfit MNSQ values ranging from 0.77 to 1.30 using QUEST, with a reliability coefficient of 0.71. The data were analyzed using descriptive statistics using the Pearson correlation test to determine the correlation between students’ critical thinking skills and selthe f-efficacy. The analysis revealed a significant positive correlation between the two variables, indicating that students with higher self-efficacy tend to demonstrate stronger critical thinking skills. Furthermore, the implications of this research align with the United Nations’ Sustainable Development Goals (SDG 4 on Quality Education, SDG 9 on Industry, Innovation, and Infrastructure, and SDG 12 on Responsible Consumption and Production), highlighting the contribution of chemistry education to sustainable development through enhanced critical thinking skills.
Pelatihan Bela Negara untuk Meningkatkan Kompetensi dan Nasionalisme Mahasiswa PPG Universitas Cenderawasih Efendi, Rian; Mutaqin, Alim; Simorangkir, Agustina; M. Raidil; Wijaya, Silvia Anggri; Pamangin, Wilda Wijayani
Journal of Social and Community Service Vol. 3 No. 3 (2024): November 2024
Publisher : Faculty of Engineering University of Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestmc.v3i2.170

Abstract

National defense training for prospective teachers is a strategic effort to develop resilient, disciplined educators with a strong sense of national identity. This article presents an evaluation of a community service program in the form of national defense training assistance for 21 students of the first cohort of the Teacher Professional Education (PPG) program at Cenderawasih University. The three-day program was conducted at the National Defense Education Depot, RINDAM XVII Cenderawasih, combining interactive lectures, simulations, and field practices such as drill regulations (PBB), ceremonial procedures, group dynamics, and field psychology. The experiential learning approach and collaboration with the military were key to the program's implementation. Evaluation through pretest-posttest and participatory observation revealed significant improvements: all participants (100%) achieved the Minimum Mastery Criteria (KKM) in the posttest, compared to only 14.29%-38.10% in the pretest. The greatest improvement was in drill regulations (85.71%), followed by military honors (80.95%), and national insight (71.43%). Qualitatively, participants showed enhanced discipline, teamwork, confidence, and understanding of national values. Activities such as campfires and field psychology simulations further strengthened solidarity and leadership skills. This program demonstrates the effectiveness of integrating experience-based training and educational-military partnerships in preparing prospective teachers as agents of character development for the younger generation. The results recommend incorporating similar training models into the PPG curriculum to reinforce the academic, social, and nationalistic competencies of future educators.
IMPLEMENTATION OF LITERACY CULTURE TO IMPROVE CHEMISTRY LEARNING OUTCOMES Siregar, Tiurlina; Simorangkir, Agustina
Jurnal Ilmu Pendidikan Indonesia Vol 13 No 3 (2025): JURNAL ILMU PENDIDIKAN INDONESIA
Publisher : Master of Science Education Program, Postgraduate Program of Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jipi.v13i3.5011

Abstract

This study aims to examine the influence of the implementation of literacy culture on improving chemistry learning outcomes in class X students of SMA Negeri 7 Jayapura. In this context, the School Literacy Movement (GLS) is required to foster a culture of reading non-lesson books for 10-15 minutes before learning starts. The method used is purposive sampling, with data collection techniques in the form of questionnaires (questionnaires) for literacy culture and cognitive tests for learning outcomes. The results of the study show that the implementation of literacy culture in class X of SMA Negeri 7 Jayapura can improve chemistry learning outcomes with an average n-gain value of 0.52 which is in the medium category. However, the results of correlation and regression analysis showed that the literacy culture variable (X3) had a nonsignificant effect on learning outcomes (Y). The correlation coefficient (R) is very low, which is 0.005.
Co-Authors Efendi, Rian Eli Rohaeti M Raidil Mutaqin, Alim Pamangin, Wilda Wijayani Raidil, Muhammad Tiurlina Siregar Wijaya, Silvia Anggri