Özet:

Students in the twenty-first century must demonstrate competence and competitiveness, but the current issue is a lack of creativity or creative and innovative problem-solving skills. The integration of project-based learning (PjBL) with Science, Technology, Engineering, and Mathematics (STEM) is the solution to this problem (STEM). The purpose of this study was to ascertain the relationships between the variables affecting PjBL-STEM and to investigate 21st Century Learning and Innovation Skills (4Cs). The research method used was quantitative. Additionally, the research sampled 283 students. The quantitative analysis employed the Structural Equation Model (SEM) technique to analyze responses to a questionnaire submitted via Google Form. The study's findings indicated that while there was a correlation between PjBL-STEM and 4Cs competencies, communication skills were less effective in PjBL-STEM learning due to a variety of influencing factors. To improve students' communication skills, the author recommends that the school provide increased motivation to ensure that communication skills are acquired properly.

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