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All Journal International Education Trend Issues Current STEAM and Education Research
Dewi, Nadia Puspa
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Religion Arts Humanities Chemistry Computer Science & IT Education Physics

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Cognitive Development of Elementary School Children in Developing Critical Thinking Ability and Understanding Mathematical Concepts Oktaviani, Maya; Dwihapsari, Kartika; Islami, Mutiara Nur; Dewi, Nadia Puspa; Fadhilah, Rahil Nurul; Palupi, Zahra Dinda
International Education Trend Issues Vol. 1 No. 2 (2023): International Education Trend Issue
Publisher : PT. BATARI EDU CALYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56442/ieti.v1i3.178

Abstract

This study aims to determine students' cognitive development in developing critical thinking skills and understanding mathematical concepts at the elementary school level. This study uses qualitative methods with convenience sampling techniques. The researcher collected the data through interviews with six elementary school students from grades 3 to 5 on May 2023. They are inhabitants of Tegal Gundil, Bogor. Some problems identified include the inability to answer random questions, inappropriate questions and answers, disobedience in understanding the teacher's explanation, and external factors hindering elementary school children's cognitive development. Based on these problems, this study found that cognitive development is essential in developing critical thinking skills and understanding mathematical concepts in elementary school-age children. Suggestions include using an inclusive learning approach, adjusting questions and answers, increasing the ability to understand teacher explanations, and collaboration between schools, parents and the community. With the right approach and adequate attention, students can improve their cognitive development by developing critical thinking skills and understanding mathematical concepts.
Enhancing Student Understanding of Heat Distribution in Metal Rods Through Interactive Learning Using Finite Difference Methods Satrio, Galih Dwi; Dewi, Nadia Puspa; Fadilah, Rahil Nurul; Palupi, Zahra Dinda
Current STEAM and Education Research Vol. 2 No. 1 (2024): Current STEAM and Education Research, Volume 2 Issue 1, April 2024
Publisher : MJI Publisher by PT Mitra Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58797/cser.020102

Abstract

This study discusses the comparison of two finite difference methods, namely the explicit method and the Crank-Nicolson method (implicit), in simulating heat propagation in a metal rod. Heating is done by lighting a candle under the metal rod which is then extinguished after some time. This research aims to improve students' understanding of heat distribution in metal rods through an interactive method based on the Finite Difference Method, which is also expected to improve the ability to analyze and apply physics concepts in a practical context. The simulation results show that the explicit method requires very small time steps to achieve good stability, resulting in longer computation times. On the other hand, the Crank-Nicolson method demonstrates better and more consistent numerical stability, even with larger time intervals. Experimental modifications with varying time intervals show that the Crank-Nicolson method remains stable and provides more accurate results compared to the explicit method. Therefore, the Crank-Nicolson method is more recommended for long-term simulations requiring high stability and accuracy.
Co-Authors Dwihapsari, Kartika Fadhilah, Rahil Nurul Fadilah, Rahil Nurul Islami, Mutiara Nur Oktaviani, Maya Palupi, Zahra Dinda Satrio, Galih Dwi