This study aims to determine the effect of the Probing Prompting learning model on students' critical thinking skills in class XI at SMA Negeri 1 Kuala. A quantitative approach with a quasi-experimental design using a nonequivalent control group design was employed. The study involved two classes: the experimental class, which received treatment using the Probing Prompting model, and the control class, which was taught using conventional methods. Research instruments included pre-tests and post-tests that had been tested for validity and reliability. Data analysis involved normality tests, homogeneity tests, and independent t-tests. The results showed a significant difference in post-test scores between the experimental and control classes. The average post-test score of the experimental class (77.21) was higher than that of the control class. Therefore, it can be concluded that the implementation of the Probing Prompting learning model has a significant effect on improving students' critical thinking skills in economics subjects.
                        
                        
                        
                        
                            
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