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All Journal Journal of Education Technology Jurnal Media dan Teknologi Pendidikan
Gusti Ayu Putu Sukma Trisna
Department of Primary Education, Ganesha University of Education, Singaraja, Indonesia
Computer Science & IT Education Social Sciences

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Unplugged Coding-Based PBL for Enhancing Computational and Critical Thinking in Elementary Science Ni Komang Tessya Handriyani Putri; I Gede Astawan; Gusti Ayu Putu Sukma Trisna
Journal of Education Technology Vol. 10 No. 1 (2026): February
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jet.v10i01.111866

Abstract

A problem encountered in science learning in elementary schools is students' low problem-solving skills. The purpose of this study was to determine the effectiveness of the unplugged coding-based PBL learning model on computational thinking and critical thinking skills in fifth-grade students' science subjects. This quantitative study used a nonequivalent pretest-posttest control group design. The sample size was 46 students. Data collection used descriptive tests on computational thinking and critical thinking. The data analysis technique used was the MANOVA test, followed by the LSD (Least Significant Difference) test. Data analysis was performed using the N-Gain test to assess improvements in computational thinking and critical thinking skills. Based on the results of the hypothesis test using MANOVA, the F-value for Hypothesis 1 was 27.651 and Hypothesis 2 was 9.955, both of which were greater than the F-value of 4.06 at a 5% significance level. The respective significance values were 0.001 and 0.003 (Sig. <0.05). Meanwhile, the test of hypothesis 3 using MANOVA obtained an Fcount of 15.554 and an F table of 4.06, with a significance value of 0.001. The significance value is less than the significance level (Sig. <0.05). Further testing using the LSD test obtained significance values of 0.001 and 0.003, both of which are less than the significance level (Sig. <0.05). Therefore, it can be concluded that the use of the PBL model based on unplugged coding is effective in improving students' computational thinking and critical thinking skills in fifth-grade science subjects in elementary schools.
Interactive Multimedia Based on the PjBL Model with Tri Kona Concept Orientation to Enhance Science Literacy of Fourth-Grade Students Ida Ayu Oka Purnami; Ni Luh Putu Elly Ardani; I Gede Astawan; Gusti Ayu Putu Sukma Trisna
Jurnal Media dan Teknologi Pendidikan Vol. 5 No. 3 (2025): July
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jmt.v5i3.100237

Abstract

The low scientific literacy of elementary school students is a challenge in meaningful and contextual science learning. Learning that is still conventional and does not actively involve students also worsens the understanding of scientific concepts. This study aims to prove the effectiveness of interactive multimedia based on the Project Based Learning (PjBL) model with the Tri Kona concept orientation to improve the scientific literacy of fourth grade students. The development model used is the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The subjects of the study included 26 fourth grade IVA students as the experimental group and 25 fourth grade IVB students as the control group. This development research uses two types of data, namely qualitative and quantitative data. The methods and instruments for data collection in this study used questionnaires and multiple-choice tests. The results of the study showed that the multimedia developed was very feasible to use, interesting, and effective in improving students' scientific literacy. The implications of this study indicate that the development of media based on PjBL and local cultural values can be an innovative strategy in science learning in elementary schools.
Co-Authors I Gede Astawan Ida Ayu Oka Purnami Ni Komang Tessya Handriyani Putri Ni Luh Putu Elly Ardani