The Effectiveness of Problem Based Learning Model on Critical Thinking Skills on the Topic of Appreciating the Environment and Local Culture

This study aims to determine the effectiveness of the Problem-Based Learning (PBL) model on critical thinking skills on Appreciating the Environment and Local Culture at SMP Negeri 8 Purwokerto. The method used in this study is quasi-experimental with a quantitative approach. The population in this study consists of Grade VII students at SMP Negeri 8 Purwokerto. The sample size is 70 students, selected through purposive sampling, with class VII D as the experimental group (n=35) and class VII A as the control group (n=35). Data collection techniques include unstructured interviews, observation, documentation, and questionnaires. The research findings indicate a significant effect of the Problem-Based Learning model on students' critical thinking skills, with a significance value of 0.769. This means that the independent variable (X), the Problem-Based Learning model, has a significant effect of 76.9% on the dependent variable (Y), which is critical thinking skills. The results demonstrate that implementing the Problem-Based Learning model significantly enhances critical thinking skills among Grade VII students at SMP Negeri 8 Purwokerto.