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Dewi Lengkana
University of Lampung
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Pengembangan e-LKPD Berdiferensiasi Terintegrasi HOTS Melalui Kecerdasan Majemuk Untuk Meningkatkan Kemampuan Berpikir Sistem Hanna Benedicta Simanjuntak; Dewi Lengkana; Tri Jalmo; Abdurrahman
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.10376

Abstract

This study aims to develop differentiated electronic student worksheets (e-LKPD) integrated with Higher-Order Thinking Skills (HOTS) and multiple intelligences that are valid, practical, and effective in enhancing students’ systems thinking skills. The research follows the Borg and Gall R&D model. The study population comprised eighth-grade students from SMPN 1 Mesuji in the 2024/2025 academic year. A purposive sampling technique was employed to assign class VIIIA as the experimental group and class VIIIB as the control group. Data collection instruments included need analysis questionnaires, expert validation forms, student and teacher response questionnaires, pretest and posttest items, reflection sheets, and learning implementation observation sheets. Data analysis was conducted using independent sample t-tests on n-Gain scores. The findings revealed that: (1) the e-LKPD was rated as highly valid (95%) by expert reviewers; (2) it was considered highly practical by students (95%) and teachers (100%); (3) it was effective in improving systems thinking skills with a high n-Gain score (0.75) and a large effect size (0.95); and (4) it achieved a very high implementation level (87.19%). These results indicate that the developed e-LKPD is suitable for use in science learning, particularly on the topic of the digestive system, to enhance students' systems thinking skills.
Development of Interactive Learning Multimedia Based on Android Integrated with STEM Heat Material to Improve Students' Computational Thinking Syukron Fuad; Abdurrahman; Agus Suyatna; Dewi Lengkana
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.11106

Abstract

This study aims to produce an interactive learning multimedia application product based on Android integrated with STEM heat material that is valid, practical, and effective in improving students' computational thinking skills. This research and development was carried out using a 4D model consisting of defining, designing, developing, and disseminating. This study uses a mixed methods concurrent embedded model consisting of five stages of data collection, namely qualitative data collection followed by quantitative data collection followed by providing interventions in the form of qualitative data collection followed by quantitative data collection and finally qualitative data collection. The trial design used was a non-equivalent pre-test post-test control group design. The subjects of the study were 64 junior high school students, 32 in the experimental class and 32 in the control class. The results of the study showed that the resulting product was stated as: very valid (94%) by material experts, (95%) by media experts; very practical to use in learning by students (91%), with a very high level of learning implementation, namely (94.57%); effective in improving students' computational thinking with high n-gain (0.77) and effect size with criteria of (91%). Based on the results of research and data analysis, it shows that the developed product can be used in learning heat material to improve students' computational thinking abilities.
Utilization of PjBL-STEM Based Interactive e-modules to Improve Visual Literacy: Teacher and Student Perspectives Dini Andriani; Marina Setyarini; Dewi Lengkana; Kartini Herlina
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.6357

Abstract

This research aims to describe the use of interactive e-modules based on PjBL-STEM activities to train students' visual literacy.  This research uses mixed methods with sequential explanatory design to obtain quantitative and qualitative data.  Quantitative data was obtained by administering questionnaires to 39 science teachers in Lampung province and 149 junior high school students and qualitative data was obtained from interviews with teachers. The research results show as many as 41.70% of teacher respondents were new to using e-module teaching materials.  The e-module they use is not yet interactive and the activities in the e-module do not invite students to carry out projects.  The results of the teacher questionnaire were only 15.3% of teacher respondents using the PjBL learning model.  As many as 74.5% of teacher respondents stated that the e-modules used had not been used to train students' visual literacy.  The results of the questionnaire and interviews of teachers responded positively to the existence of teaching materials that can train students' visual literacy.
Science Learning Using e-LKPD Ethno-SiMaYang Tapis Lampung Cloth to Improve Critical Thinking Skills Loly Suwandani; Sunyono; Viyanti; Dewi Lengkana
Jurnal Penelitian Pendidikan IPA Vol 10 No 11 (2024): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i11.7984

Abstract

This research aims to explain the effect of using the Etno-SiMaYang Lampung Tapis Cloth e-LKPD in improving students' critical thinking skills. This research is R&D research with the Borg and Gall research model stages 1-7. The samples in this study were class VII.1 as the control class and class VII. 2 as the experimental class, the sample was selected using a cluster random sampling technique. The data collection instruments used were teacher and student needs analysis questionnaires, expert validation questionnaires, teacher and student response questionnaires, as well as pretest-posttest questions. The data analysis technique uses the t-test on students' n-Gain values. The research results stated that the expert validation results for construction suitability, content suitability and readability obtained a percentage score of 85.00% which indicated that the e-LKPD product was valid with the criteria "very high". The average percentage of teacher and student responses was 99.00% and 97.10%, which shows that the e-LKPD product is practical with the criteria "very high". The effectiveness of e-LKPD products in improving critical thinking skills in experimental classes can be seen from the average n-Gain for students of 0.71 in the "large" category with the effect size criteria being in the "large" category.
The Need For Biotechnology PjBL-STEM Based Learning Programs Associated with Local Contexts to Enhance Creative Problem Solving and Entrepreneurial Skills: Teacher and Student Perspectives Dartia Utari; Abdurrahman; Dewi Lengkana; Neni Hasnunidah
Jurnal Penelitian Pendidikan IPA Vol 10 No 11 (2024): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i11.9092

Abstract

This study evaluates the need for biotechnology PjBL-STEM Based Learning programs associated with local contexts to enhance Creative Problem Solving Skills (CPSS) and Entrepreneurial Skills (ES) from the perspectives of students and teachers. Using a mixed-methods approach with a sequential explanatory design, data were collected through questionnaires from 144 science teachers in Lampung Province and in-depth interviews with three teachers and three students. The findings reveal that 66.70% of teachers consider the current learning programs inadequate for developing students' CPSS and ES, while 68.10% believe that a PjBL-STEM program would facilitate a more engaging understanding of biotechnology. Furthermore, 89.60% of teachers agree on the necessity of developing biotechnology PjBL-STEM based learning programs to enhance students' CPSS and ES. The results from the questionnaires and in-depth interviews also revealed that both teachers and students agreed that the use of local context can make learning more relevant for students. Overall, both quantitative and qualitative data indicate a strong support for the implementation of biotechnology PjBL-STEM based learning programs grounded in local contexts to better develop students' CPSS and ES.
Co-Authors Abdurahman Abdurrahman Abdurrahman Agus Suyatna Arief Puja Kesuma Dartia Utari Dina Else Fernandu Dini Andriani Een Yayah Haenilah Hanna Benedicta Simanjuntak Kartini Herlina Loly Suwandani Marina Setyarini Muhammad Fuad Neni Hasnunidah Rangga Firdaus Sunyono Sunyono - - Syukron Fuad Tri Jalmo Ulul Azmi Muhammad Viyanti