Socio-Scientific Issue-Based Problem Based Learning Model on Ecology and Biodiversity Materials to Improve Critical Thinking Skills of Grade VII Students
Keywords:
Classroom action research, Critical thinking, Problem Based Learning (PBL), Socio-Scientific Issue (SSI)Abstract
This research aims to improve students' critical thinking skills in Ecology and Biodiversity materials through the application of the Problem Based Learning (PBL) learning model based on Socio Scientific Issue (SSI). This class action research was carried out in two cycles and involved 33 students of grade VII G SMP Negeri 2 Malang in the even semester of the 2024/2025 school year. The results of the study showed that the percentage of students' learning completeness in the first cycle reached 93.93%, while in the second cycle there was a slight decrease to 87.87%. The average critical thinking ability of students in the first cycle was recorded at 87.63, while in the second cycle it decreased slightly to 86.90. Analysis of the N-Gain value showed that there was a variation in the increase in critical thinking skills between the two cycles, namely 0.52 in cycle I and increased to 0.55 in cycle II; Both are included in the medium category. Based on these results, it can be concluded that the application of the Problem Based Learning (PBL) learning model based on Socio Scientific Issue (SSI) in science learning is effective in improving the critical thinking skills of students in grade VII G SMP Negeri 2 MalangReferences
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