This study aims to determine the effect of the problem-based learning model on student learning outcomes in the material pressure of class VIII SMP Negeri 2 Manduamas. This type of research is quasi-experimental, the research sample consists of two classes, namely VIII-C as the experimental class and VIII-B as the control class, each consisting of 30 students. The research instrument is a learning activity observation sheet and multiple-choice objective tests to determine student learning outcomes. Based on the calculation of the t-test of the two parties, the pretest data = 0.05, it was obtained that H0 was accepted, that the initial abilities of the experimental class and control class students were the same. After being given different treatment, the results of the one-sided t-test calculation for posttest data for =0.05 were obtained tcount = 3.80 and ttable = 1.67 with tcount > ttable, then Ha was accepted. The relationship of each variable has a significant effect with the regression equation = 1.27 + 1.00X. So it was concluded that there was a significant effect of the problem-based learning model on the learning outcomes of eighth grade students of SMP Negeri 2 Manduamas.
This service activity aims to provide students with an understanding of learning on physics material through the experimental method using teaching aids. The place where this activity was carried out was SMP N 1 Tapian Nauli. This activity is divided into several stages, the first is the introduction of students by the student-teacher, the second stage is the delivery of learning materials, and the third stage is conducting experiments through teaching aids that have been provided by the teacher. The last stage is conveying the conclusions from the experiments carried out. This activity provides benefits in increasing student understanding of physics learning through the experimental method. With the experimental method used, students become more active and can see directly the physical phenomena that occur through observation. The application of this tutoring through teaching aids is expected to increase students understanding of learning not only with theories and formulas.
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