This study aims to abserve student learning activities using the Discoverry learning learning model, with thwe consideration that this study seeks to determine the effect of a variable and take a sample of three classes. The subject is the students of SMP Negeri 3 jember. Based on the results of the sampling, it was found that the discovery learning model has a high level of effectiveness in 9th grade students, namely 6 out of 10 or 60%. It can be said that the Discovery Learnung learning model can improve students’ critical thinking skills and affect student learning outcomes and have a positive impact on student development
                        
                        
                        
                        
                            
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