ABSTRACT This study aims to determine the effect of the Problem Based Learning (PBL) model assisted by Wordwall learning media on students’ learning outcomes in Indonesian language subjects in grade IV at SDN 51 Kuranji. The research used a quantitative approach with a quasi-experimental method and a Nonequivalent Posttest-Only Control Group Design. Class IV B was the experimental class and class IV A was the control class, each consisting of 21 students. The instrument was a 19-item multiple-choice test. The results showed that the mean posttest score of the experimental class was 84.95, while the control class was 76.43. The t-count was 2.743, greater than the t-table of 1.682 at a 5% significance level. Therefore, H1 was accepted and H0 was rejected. It can be concluded that PBL assisted by Wordwall has a significant effect on students’ learning outcomes. Keywords: Problem Based Learning, Wordwall, Learning Outcomes, Indonesian Language
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