This study was conducted based on the low level of students’ creative thinking skills and learning outcomes in Bahasa Indonesia subject, as well as the limited use of innovative learning models in elementary classrooms. The research aimed to determine the effect of the Cooperative Learning Model of Mind Mapping type on students’ creative thinking skills and learning outcomes. The study employed a quasi-experimental design with a nonequivalent control group design. The sample consisted of two fourth-grade classes at SDN IV Krangkeng, with 27 students in the control class and 28 students in the experimental class. Data were collected through tests and observation sheets. The data were analyzed using validity and reliability tests, normality and homogeneity tests, independent sample t-test, and N-Gain analysis. The results showed a significant difference between the experimental and control classes, with a significance value of 0.000 < 0.05. The average N-Gain score of the experimental class was 75.29% (moderately effective), while the control class obtained 54.77% (less effective). Observation results also indicated higher improvement in students’ creative thinking skills in the experimental class. Therefore, the Cooperative Mind Mapping model significantly improves students’ creative thinking skills and learning outcomes in Bahasa Indonesia learning.
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