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

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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 Iriani Bakti Parham Saadi Rusmansyah Rusmansyah