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All Journal Bioscientist : Jurnal Ilmiah Biologi Multidiciplinary Output Research for Actual and International Issue (Morfai Journal)
Idramsa
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DEVELOPMENT OF STUDENT WORKSHEET ON PROTOZOA MATERIAL FOR MASTERY OF CONCEPTS AND CRITICAL THINKING SKILLS AT SEKOLAH MENENGAH PERTAMA NEGERI 16 MEDAN Atika; Mufti Sudibyo; Idramsa
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 4 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i4.3199

Abstract

The development of this student worksheet was driven by the need for guided discovery-based worksheets in protozoa practicum activities to enhance students’ concept mastery and critical thinking skills. This study aimed to determine the feasibility, practicality, and effectiveness of the developed worksheet. The research employed the ADDIE model and involved data collection through interviews and questionnaires, followed by both quantitative and qualitative descriptive analysis. The subjects of the study were students and teachers of Sekolah Menengah Pertama Negeri 16 Medan. The results showed that the feasibility test of student work sheet material obtained 87% and media 95% after product revision. For the practicality test, the teacher's response was 97% and students 94%. The effectiveness test shows that N-Gain on the concept mastery variable is 0.7563 (75.63%) and on critical thinking skills is 0.7705 (77.05%) and both are in the high and effective categories. This value shows that student work sheet not only helps understanding the material but also improves concept mastery and critical thinking skills. It can be concluded that the student work sheet developed is very feasible, practical and effective to use in learning.
Pengembangan E-LKPD Berbasis STEM yang Berorientasi pada Keterampilan Proses Sains dan Pemahaman Konsep Peserta Didik pada Materi Bioteknologi di SMA Swasta Shafiyyatul Amaliyyah Medan Sari, Siti; Idramsa; Hasairin, Ashar
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17795

Abstract

This study aims to develop, validate, and examine the effectiveness of a STEM-based Biotechnology E-LKPD as a solution to the limitations of biology learning media, which are generally focused on printed texts and lecture methods. The research employed a Research and Development (R&D) approach using the 4D model (Define, Design, Develop, and Disseminate), involving expert validation, teacher responses, individual trials, and implementation in both experimental and control classes SMA Swasta Shafiyyatul Amaliyyah Medan. Validation results indicated that the product achieved very good criteria, with scores of 87.61% from material experts, 93.75% from learning and media experts, and 95.23% from language experts. Teacher responses to the E-LKPD reached 97.69% (very good), while students’ individual trial responses recorded 96.31% (very good). The implementation in the experimental class demonstrated a significant improvement in science process skills with an average percentage of 89.2%, compared to 61% in the control class. Furthermore, students’ conceptual understanding increased with an N-Gain score of 0.75 (high) in the experimental class, compared to 0.60 (medium) in the control class. These findings conclude that the STEM-based Biotechnology E-LKPD is valid, practical, and effective in enhancing students’ science process skills and conceptual understanding, aligning with the goals of the Merdeka Curriculum.
Co-Authors Ashar Hasairin atika Mufti Sudibyo Sari, Siti