<![CDATA[This study is a pre-experimental study employing a descriptive quantitative approach, aimed at analyzing the improvement in critical thinking skills among students at SMA Tamansiswa Padang before and after undergoing instruction using the Problem-Based Learning model within the Graphic Design and Multimedia curriculum. The data collected were quantitative in nature and analyzed using descriptive analysis. The sample consisted of 31 students selected via purposive sampling from five Grade XI classes taking the ICT subject. The research instrument was a critical thinking skills test comprising 10 essay-type questions—validated both theoretically and empirically—developed in alignment with critical thinking indicators. The results indicate that the critical thinking skills of the Grade XI students at SMA Tamansiswa Padang fell into the "very high" category, with an average N-Gain score of 0.78. This demonstrates that the implementation of the Problem-Based Learning model can enhance the critical thinking skills of Grade XI students at SMA Tamansiswa Padang.]]>
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