Abstract
Modelling instruction is systematic instructional activity for constructing and applying scientific knowledge in Physics lesson. The purpose of this research is to determine the effect of Modelling instruction with different reasoning abilities on understanding physical concepts by controlling students’ prior knowledge. This research used experimental method with 2x2 factorial design with two Modelling instruction classes and two conventional classes with a total of 176 students. The instrument used was reasoning ability test, prior knowledge test, and physics concept test. It used LCTSR (Lawson’s Classroom Test of Scientific Reasoning) instrument. Prior knowledge test instruments consisted of 25 problems to identify how deep the students understand the topic before they undergo the learning process and physics concept test consisted of 25 problems. Based on the statistical test using two factor Ancova, it proved that there was a significant difference in students’ ability to master the physics concept between using Modelling instruction learning model and using conventional learning model. The result showed that the Modelling instruction increasing conceptual understanding better than conventional learning. There are two important parts in the Modelling instruction that are model development and model deployment. This study also confirms that there are significant differences in understanding the concepts between students of high reasoning ability and low reasoning ability. Students with high reasoning abilities have a better understanding of concepts than students with low reasoning abilities.
Highlights
Physics lesson in high school is one subject that requires a lot of effort
This study investigates the level of understanding of students between those who have high reasoning abilities and those who have low reasoning abilities
This research concludes that the conceptual understanding between student who were taught by Modelling instruction and conventional learning methods by controlling students’ prior knowledge
Summary
Physics lesson in high school is one subject that requires a lot of effort. It does focus on the scientific process, and focuses on the Physics concept in depth to solve diverse Physics problem. If students cannot understand the Physics concept correctly from the beginning, it will be difficult for them to understand the next topic as well. When students learn Physics lesson, they need to understand both the formula and the concept (Furwati & Zubaidah, 2017). Students are expected to be able to apply the Physics concept to solve the common Physics problems that they encounter on the basis of everyday life. The purpose of learning Physics will be achieved when a student is able to understand the Physics concept well
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