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All Journal JIPI (Jurnal IPA dan Pembelajaran IPA) Asian Journal of Science Education
Sihaf, Ainun Nazah
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Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Physics Social Sciences Other

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Development of Learning Modules Based Numbered Head Together (NHT) on Substance Pressure Material at the Junior High School Level Mustika, Cut Rizki; Aida, Nur; Sihaf, Ainun Nazah
Asian Journal of Science Education Vol 5, No 2: October, 2023
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/ajse.v5i2.32849

Abstract

Based on observations, the teaching materials used in the learning were only textbooks. This study aims to design and determine the feasibility level, and students' responses to the learning module. This research uses Research and Development (RD) research with the ADDIE model. The subjects of this study included 3 material expert validators, 3 media expert validators, and 6 students of Subulussalam City Integrated Islamic Junior High School. The data analysis techniques used are qualitative and quantitative descriptive analysis techniques that describe the results of the validity and practicality test of NHT-based modules. The instruments used in this study were material expert validation sheets, media experts, and questionnaire sheets. The research results obtained from material expert validation were 94.4% and media expert validation was 95.5%, so that overall the percentage of results feasibility was 94.95% with very feasible criteria. The student response results obtained were 95.5% with very interesting criteria. As a result, it is possible to conclude that the learning module can be used in the learning process.
Improving Students' Critical Thinking Skills Through STEMEC-Based e-LKPD Using Imagy Products Sihaf, Ainun Nazah; Saminan*, Saminan; Susilawati, Susilawati; Sattar, Mohammad
Jurnal IPA & Pembelajaran IPA Vol 9, No 1 (2025): MARCH 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i1.43430

Abstract

Students' critical thinking skills at school have not improved. This study aims to analyze the effectiveness of e-LKPD based on STEMEC (science, technology, engineering, mathematics, entrepreneurship, and character) in improving students' critical thinking, especially on Hooke's Law material, by utilizing the imagy tool. The research method used was an experiment with a one-group pretest-posttest design involving 34 grade XI students at SMAN 5 Banda Aceh. The results showed a significant increase in students' critical thinking after the learning intervention. The average pretest score of 38.82 increased to 80.44 on the posttest with an average N-Gain score of 0.677, indicating an increase of 67.7%. The majority of students 22 people are in the high improvement category, 9 people in the medium category, and 3 people in the low category. The STEMEC approach with imagy not only improves conceptual understanding, and critical thinking, but also helps students develop 21st century skills, including collaboration, communication, entrepreneurship and character skills. These findings prove that the implementation of STEMEC as a holistic and effective learning strategy can train students' mindset and character in improving their competence in the fields of science and technology.
Co-Authors Mustika, Cut Rizki Nur Aida, Nur Saminan*, Saminan Sattar, Mohammad Susilawati, Susilawati