<![CDATA[The purpose of this study is to test the effectiveness of the application of the Teams Games Tournament and Group Investigation learning model on the profile of Pancasila students with the element of mutual cooperation in IPAS grade IV elementary school. This study is an experimental study with Nonequivalent Control Group Design. The data collection technique is through tests and observations, while the data analysis technique uses SPSS 27.0. The data analysis technique in this study uses the Independent T-Test with prerequisite tests in the form of data normality test and data homogeneity test. The normality test of the data of the experimental and control groups used the Kolmogorov-Smirnov test and the data homogeneity test using the Bartlet test. The conclusion of the study based on the results of the T test is that the value of Sig. (One-Sided p) 0.003, (Two-Sided p) 0.005 < 0.05 then Ho is rejected and Ha is accepted. This means that the implementation of the Teams Games Tournament model and the Group Investigation model have differences in effectiveness in increasing mutual cooperation. The average post test results obtained from the results of the T test of the Teams Games Tournament model were 84.10 and the Group Investigation model was 76.34. Thus, it is said that the Teams Games Tournament model has a higher level of effectiveness than the Group Investigation model on the Pancasila Student Profile of the gotong royong element in learning science science in grade IV elementary school. Keywords: GI, gotong royong, TGT]]>
