<![CDATA[This study aims to determine the effect of using the Cooperative Learning Model of the Group Investigation type on the collaboration skills of elementary school students. The study employed a quantitative method with an experimental research design using a posttest-only control group design. The research was conducted at SD Negeri 113 Palembang, with Class IV F serving as the experimental group and Class IV D as the control group. Prior to the treatment, the collaboration skills of students in both the experimental and control groups were relatively low. However, after the treatment was administered to the experimental group, there was a significant improvement in collaboration skills during the learning process. The results of the study showed a significance value of 0.000 (less than 0.05), indicating that H0 was rejected and Ha was accepted. It can be concluded that the implementation of the Group Investigation model in the learning process has a significant effect on students' collaboration skills.]]>
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