The aim of this study was to analyze the effect of the Model Group Investigation model and the Number Head Together model on learning outcomes. Quasi-experimental method used in this research, the instrument used is multiple choice questions that produce research data. Research data were analyzed using t-test. The results showed that the Group Investigation model and the Number Head Together model could improve learning outcomes. In the result, the class that used the Group Investigation model had a higher score than the class that used the Number Head Together model. For further research, it is necessary to apply a model integrated with interactive multimedia, so that, it will be more interesting and can motivate students in learning.
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