Analysis of The Critical Thinking Skills of Mathematics Education Students in Solving Differential Calculus Problems
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Abstract
This study uses a descriptive qualitative approach with the aim of analyzing the critical thinking skills of 15 first-semester Mathematics Education students at Muhammadiyah University Sorong in solving problems in differential calculus material. The focus of this study stems from initial findings that indicate students' difficulties in understanding the concept of derivatives in story problems, which are thought to be caused by procedural errors and a lack of reflective skills in the thinking process. Specifically, this study aims to describe the profile of students' critical thinking skills based on Polya's indicators. The research used a descriptive qualitative approach with a written test consisting of three-story problems on December 17, 2025, and semi-structured interviews with six subjects (two high, two medium, two low), supported by a 1-4 scale assessment and Miles and Huberman's data analysis model with triangulation. The results reveal variations in ability: high-ability students consistently meet all four indicators; medium-ability students meet some indicators but are hampered by procedural problems; low-ability students have fundamental difficulties starting from understanding the problem. These findings emphasize the importance of differential calculus learning based on conceptual understanding, reflection, and contextual questions in Southwest Papua to improve students' critical thinking skills.
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