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Problem Based Learning (PBL) is one of the cooperative learning models that is often used today. To provide the best results, research is needed with PBL learning models assisted by instructional media that are easy and attract students to understand the material. This study aims to determine the effect of the Problem Based Learning (PBL) model assisted by Prezi media with the Prezi-assisted Direct Instruction Learning model on student learning outcomes in colloidal material. The research will be conducted in MAN 2 Medan Model. The method used in this study is quasi experiment. The research sample was taken by purposive sampling technique and obtained a sample consisting of experimental classes which were taught by PBL learning models assisted by media prezi and control classes which were taught with Direct Assistance-assisted media prezi models. The research instrument in the study consisted of 25 test questions in the form of multiple choice questions, which had previously been through validation tests, difficulty level tests, different power tests, and reliability tests. Then the data is analyzed by calculating homogeneity and normality. And the research hypothesis was tested using 2-way ANAVA statistical test. The results obtained are the effect of the Problem Based Learning (PBL) model assisted by Prezi media with the Preziassisted Direct Instruction Learning model on student learning outcomes in colloidal material. Keywords— Development of PBL Models, Prezi Media, Motivation, and Student Learning Outcomes.

The Effect of Model Problem Based Learning (PBL) Assistance of Prezi Media on Student Learning Outcomes in Colloid Materials