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PENDIPA Journal of Science Education
Published by Universitas Bengkulu
ISSN : 20869363     EISSN : 26229307     DOI : -
Core Subject : Science, Education,
Chemistry Education Mathematics
PENDIPA Journal of Science Education is a peer-reviewed, open-access journal covered all aspect of science and science education. PENDIPA journal welcomes the submission of scientific articles related to mathematics, physics, chemistry, biology, and its educational implementation in a school, higher education and other educational institution. We encourage scientist, lecturer, teacher and student to submit their original paper to the journal. PENDIPA journal is published by Graduate School of Science Education - University of Bengkulu, three times a year on February, June and October
Arjuna Subject : -
Articles 583 Documents
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The Development of Problem-Based Learning (PBL)-Based Student Activity Sheets to Improve Problem-Solving Skills in the Topic of Reaction Rates in Phase F Nadia Sri Febriani; Rusmini Rusmini
PendIPA Journal of Science Education Vol 10 No 2 (2026): April - June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.10.2.409-416

Abstract

This study aims to describe the feasibility of developing Problem-Based Learning (PBL)-based Worksheet to improve problem-solving skills in Phase F reaction rate material, as evaluated based on validity, practicality, and effectiveness. The research design employed is Research and Development (R&D) using Thiagarajan’s 4D development model, comprising define, design, develop, and disseminate. This study is limited to the development stage and involves a pilot test. The research subject consists of PBL-based LAPDs on reaction rate material, which were pilot-tested with students in Class XI-8 at State High School 16 Surabaya. Data sources were obtained from analysis sheets, validation, activity observations, response questionnaires, as well as pretest and posttest skill assessments. Data collection techniques for this study included questionnaires, observations, and pretest-posttest skill assessments. The results of the study indicate that the PBL-based LAPD met the validity criteria, with a content validity mode score of 4 (good category) and a construct validity mode score of 4 (good category). Practicality was assessed based on the results of the student response questionnaire with a percentage of 96.1% and supported by the results of student activity observations with a percentage of 99.7%. Effectiveness was assessed based on the improvement in students’ problem-solving skills, with an overall N-gain score of 0.71 in the high (high-g) category. in the Paired Sample T-test, a p-value of 0.01 (<0.05) was obtained, so it can be concluded that there is a significant improvement in students’ problem-solving skills using PBL-based LAPD. Based on the research results obtained, it can be concluded that PBL-based LAPD on phase F reaction rate material is suitable for use in the learning process and improves problem-solving skills.
Pengembangan e-Thno Comic pada Materi SPLTV untuk Meningkatkan Literasi Matematika Peserta Didik Siti Nurhaliza; Nonik Indrawatiningsih
PendIPA Journal of Science Education Vol 10 No 2 (2026): April - June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.10.2.417-426

Abstract

Students’ mathematical literacy in Indonesia is considered relatively low, partly due to the limited availability of supporting learning materials. Therefore, the development of innovative instructional materials is needed to enhance mathematical literacy. An ethnomathematics approach has the potential to improve students’ understanding and learning motivation while supporting contextual learning and strengthening character education. This approach emphasizes key aspects of mathematical literacy, including the ability to formulate, apply, interpret, and evaluate mathematical concepts within cultural and real-life contexts. This study aims to develop an e-thno comic on the topic of systems of linear equations in three variables that meets the criteria of validity, practicality, and effectiveness in improving students’ mathematical literacy. The development model used in this research is ADDIE. The e-thno comic was tested on 20 vocational high school students. Data were collected through validation sheets, mathematical literacy pre-tests and post-tests, and student response questionnaires. The data were then analyzed to determine the validity, practicality, and effectiveness of the developed media. The results show that the e-thno comic is categorized as highly valid, with a validity score of 86.11%. It is also considered highly practical, based on student response questionnaire results with a score of 89.41%. Furthermore, the e-thno comic is proven effective, as indicated by an N-Gain score of 0.61 and a 61% increase in the average pre-test and post-test scores. Therefore, the developed e-thno comic meets the criteria of validity, practicality, and effectiveness and can be used as an alternative learning medium to enhance students’ mathematical literacy.
Pengembangan LAPD Berbasis Kemampuan Berpikir Kritis Dengan Model Pembelajaran Inkuiri Pada Konten Asam Basa Yang Memuat Tiga Pertanyaan Keilmuan Windi Oktaviani; Suyono
PendIPA Journal of Science Education Vol 10 No 2 (2026): April - June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.10.2.427-438

Abstract

This study aims to develop a Student Activity Worksheet (LAPD) to improve critical thinking skills through the inquiry learning model in Phase F of acid-base content by integrating three scientific questions. The feasibility of LAPD was evaluated based on three aspects, namely validity, practicality, and effectiveness. The development followed the ADDIE model, limited to the development stage. The pilot implementation was conducted on grade XI students at IPIEMS Senior High School Surabaya. The results of content and construct validation show that the LAPD is highly valid, with a mode score of 5 from three validators. The practicality analysis indicated a student response percentage of 95.59%, categorized as very practical. The effectiveness was determined based on the improvement in pretest and posttest scores of students critical thinking skills using the Wilcoxon Signed Rank Test. The test results showed a p-value (one-tailed) of 0.000 < 0.01, indicating that H0 was rejected and Ha was accepted. Furthermore, the analysis of students’ critical thinking practice assessment yielded a percentage of 93.13%. The analysis indicate that LAPD is feasible to be used to improve students’ critical thinking skills on acid-base content integrating three scientific questions through inquiry-based learning.

Page 59 of 59 | Total Record : 583

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