This research uses quasi experimental design due in this study researchers cannot fully control all the variables outside the memepengaruhi course of the experiments. This research uses quasi experimental design with the shape of the Pre-test and Post test-Group Design. According to (Sugiyono, 2010:112) in the design of these two groups are chosen at random. The first group was given first treatment, the second group was given a second treatment and others do not. The population in the study of JUNIOR HIGH SCHOOL students are all over the country 5 years VII-class lesson Semarang 2014/2015. Research on sampling was conducted using the techniques of cluster random sampling with selected class VII E control as a class that is named with the scientific approach to learning, class VIII F as a class experiment 1 were given the learning model-assisted approach realistic Edmodo CPS, and Class VII G as a class experiment 2 given the learning model and realistic approach to CPS. Free variables in this study are learning using model-assisted approach realistic Edmodo CPS, CPS using a model approach to learning, discipline and learning with scientific approach, while the bound variable is the ability of mathematical literacy students.
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