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Megita Dwi Pamungkas
Department of Mathematics Education, Universitas Tidar

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Bridging the Gap in Mathematics Education: The Efficacy of Deep Learning and STEM-Based PBL on Critical Thinking Farikha Aulia Rahma; Megita Dwi Pamungkas; Fadhilah Rahmawati
Jurnal Pendidikan MIPA Vol 27, No 1 (2026): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v27i1.pp562-586

Abstract

Critical thinking skills are important for students to face challenges in the 21st century, but their development in mathematics learning still has limitations because the approach tends to use conventional methods whose center is the teacher. This study aims to analyze the effectiveness of deep learning methods in improving students' critical thinking skills in mathematics. The deep learning method, implemented with the principles of meaningful, mindful, and joyful learning, used a STEM-based Problem-Based Learning model. This method focused on analyzing real-world problems, working in groups, group discussions, and applying trigonometry concepts to real-world problems through project-based activities. The study used a quasi-experimental pretest–posttest control group design involving 71 students in class X at SMA Negeri 2 Magelang for the 2025/2026 school year. The experimental group received instruction using the deep learning method through the Problem-Based Learning model, based on STEM and trigonometry material, while the control group used conventional instruction. The instrument used in this study is a validated critical-thinking test with five factors: interpretation, analysis, evaluation, inference, and explanation. The results of the paired-sample t-test indicated a significant improvement in both groups (p < 0.001). The experimental group achieved a mean gain score of 38.43, while the control group recorded a mean gain of 30.97 points from the pretest to posttest.  The independent-samples t-test also indicated a significant difference in posttest scores between the two groups (p = 0.024). These results indicate that the deep learning method is more effective than traditional learning in improving critical thinking in mathematics learning. Keywords: critical thinking, deep learning approach, mathematics education.
Fostering Statistical Reasoning and Numeracy Literacy: The Role of Scratch-Based Interactive Multimedia in Seventh-Grade Mathematics Muhammad Ryan Ramadhan; Megita Dwi Pamungkas; Arifta Nurjanah
Jurnal Pendidikan MIPA Vol 27, No 1 (2026): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v27i1.pp82-99

Abstract

Interactive learning multimedia is needed to improve students’ numeracy literacy skills. Based on this, this study aims to analyze the validity, practicality, and effectiveness of interactive learning multimedia assisted by Scratch to improve students’ numeracy literacy skills. Based on this, this study aims to develop and evaluate interactive multimedia learning assisted by Scratch to improve students' numeracy literacy skills. This study used a Research and Development (R&D) method based on the ADDIE model. In this study, the sample comprised 32 students from class VII A at SMP Negeri 2 Temanggung. The Sampling technique used was cluster random sampling. Data collection techniques used questionnaires, interviews, completing test questions, and observations. The novelty of this research lies in the development of interactive multimedia using Scratch, a tool that has not previously been used to improve numeracy literacy skills. The multimedia developed was categorized as very valid, with material validity of 85.64% and media validity of 85.78%. Its practicality was also rated very high, as indicated by student responses of 85.94% and teacher responses of 90%.  The multimedia also proved effective in improving numeracy literacy skills, as indicated by the N-Gain score of 0.5550 (moderate category) and significant differences between pretest and posttest results (t = 9.554, df = 31, p < 0.05). Interactive multimedia learning assisted by Scratch was also found to be very practical, with 85.94% of students responding positively in the student response questionnaire and 90% in the teacher response questionnaire. Thus, it can be concluded that interactive multimedia developed using Scratch is valid, practical, and effective in improving students’ numeracy literacy skills. Keywords: numeracy literacy, interactive multimedia, scratch.