<![CDATA[Mathematics education in Indonesia, currently faces various serious challenges, including low interest in learning, weak problem-solving skills, and a lack of social attitude development among students during the learning process. One alternative to overcome these problems is the Creative Problem Solving (CPS) model. This model is designed to improve students' creative thinking, problem-solving, and social collaboration skills. This study aims to investigate the impact of the CPS model on the mathematical problem-solving abilities and social attitudes of junior high school students. The method used in this study was a pre-experimental design with a one-group pretest-posttest involving 32 eighth-grade students at SMP Negeri 8 Yogyakarta. Data collection was conducted through descriptive tests to measure problem-solving abilities and Likert scale questionnaires to measure students' social attitudes before and after the implementation of the CPS model. Statistical analysis results showed a significant increase in both problem-solving abilities (p = 0.001) and students' social attitudes (p = 0.008) after learning using the CPS model. The results of this study indicate that the CPS model is not only capable of improving students' cognitive competence in solving mathematical problems but also encourages the development of social attitudes such as cooperation, responsibility, and empathy.]]>
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