Efektivitas Advance Organizer–Mind Mapping terhadap Kemampuan Pemecahan Masalah Matematis Mahasiswa PGSD Effectiveness of Advance Organizer-Mind Mapping on the Mathematical Problem-Solving Ability of PGSD Students
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Abstract
Although the Advance Organizer learning model and mind mapping technique have received attention in several previous studies, research that specifically discusses the integration of these two approaches in improving the mathematical problem-solving ability of PGSD students remains limited. This study aims to analyze the effectiveness of a mind mapping-based Advance Organizer model on the mathematical problem-solving ability of PGSD students. This study employed a quantitative approach with a quasi-experimental design, involving 60 students selected through purposive sampling. Data were collected using a mathematical problem-solving ability test and observation sheets, and were then analyzed using a t-test. The results showed that the average score of mathematical problem-solving ability in the experimental group (M = 82.45) was higher than that of the control group (M = 72.30). The results of the t-test showed that the calculated t value = 3.87 was greater than the table t value = 2.00 at the 0.05 significance level (p < 0.05), indicating a significant difference between the two groups. These findings indicate that the mind mapping-based Advance Organizer model is effective in improving students’ mathematical problem-solving ability. The conclusion of this study affirms the importance of using structured and visual-based learning models to improve higher-order thinking skills, while also providing a theoretical contribution to the development of constructivist learning and a practical contribution to improving the quality of mathematics learning in higher education.
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