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All Journal QUANTUM: Jurnal Inovasi Pendidikan Sains
Rusmansyah Rusmansyah
Chemistry Education Department, Faculty of Teacher Training and Education, Universitas Lambung Mangkurat
Chemistry Education Physics

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Effectiveness of an ethnochemistry-based stoichiometry e-module integrating nature of science in enhancing students’ scientific literacy Atiek Winarti; Mahda Mahda; Rusmansyah Rusmansyah; Yogo Dwi Prasetyo
QUANTUM: Jurnal Inovasi Pendidikan Sains Vol 17, No 2 (2026): October 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/quantum.v17i2.20743

Abstract

The PISA test results show that Indonesia's scientific literacy is still below the international average score. This research aims to develop an ethnochemistry-based e-module with the Nature of Science (NoS) model that is valid, practical, and effective as teaching material in increasing students' scientific literacy on stoichiometry material. This research includes development research with the ADDIE model (Analyze, Design, Development, Implementation, and Evaluation). The research subjects were 5 validators and 35 students in class XI-4 of SMA Negeri 1 Banjarmasin. Data collection was carried out using questionnaires, observation sheets, and test instruments. The data was analyzed descriptively. This research shows that the e-module developed is very valid with a validity score of 97.12%, very practical with a practicality score of 93.32%, and effective with an effectiveness score of 77.17%. Learning using the developed e-module increases students' scientific literacy as indicated by the N-gain value in the high category, namely 0.77. The ethnochemistry-based e-module with the NoS model developed is feasible to increase students' scientific literacy through stoichiometric learning.
Developing a scientific critical thinking-based e-module for critical thinking and self-efficacy in buffer solutions Nur Febriani Ghadah; Parham Saadi; Iriani Bakti; Rusmansyah Rusmansyah
QUANTUM: Jurnal Inovasi Pendidikan Sains Vol 17, No 2 (2026): October 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/quantum.v17i2.20419

Abstract

Integrating scientific critical thinking into learning materials can support students’ conceptual understanding, problem-solving skills, and confidence in learning chemistry. This study aimed to develop a Scientific Critical Thinking (SCT)-based e-module on buffer solutions that is valid, practical, and effective in improving students’ critical thinking skills and self-efficacy. The study employed a research and development design using a modified 4D model comprising three stages: define, design, and develop. Participants were 36 Grade XI science students at SMAN 9 Banjarmasin. Data were collected through validation and practicality sheets, student response and self-efficacy questionnaires, and critical-thinking tests. Descriptive analysis was used to assess validity and practicality, while N-gain analysis measured improvements in critical thinking skills and self-efficacy. The e-module was categorized as fairly valid, while student responses and readability indicated strong agreement. The teacher’s ability to use the e-module and manage classroom activities was rated very good. High normalized gains were observed in students’ critical thinking skills and self-efficacy. Thus, the SCT-based e-module was valid, practical, and effective for supporting chemistry learning
Co-Authors Atiek Winarti Iriani Bakti Mahda Mahda Nur Febriani Ghadah Parham Saadi Yogo Dwi Prasetyo