Efektivitas Model PBL Berbantuan Electronic Portfolio Berbasis Web Terhadap Ownership of Learning, Keterampilan Berpikir Kritis, Keterampilan Pemecahan Masalah, dan Hasil Belajar Kognitif Siswa

This research aims to determine the effectiveness of the web-based electronic portfolio-assisted PBL model on ownership of learning, critical thinking skills, problem-solving skills, and cognitive learning outcomes. The type of this research is pre-experimental with a one-group pretest-posttest design involving 36 XI IPA students at SMAN 7 Malang.The measurement instruments used include a learning ownership questionnaire, a critical thinking skills test in essay form, a problem-solving skills test in essay form, and a cognitive learning outcomes test in multiple-choice form. Data analysis using the N-gain test to measure the overall effectiveness of learning by looking at the improvement in student scores from pretest and posttest results. The research results show the average N-gain score for ownership of learning (N-gain = 0.3 low), critical thinking skills (N-gain = 0.7 moderate), problem-solving skills (N-gain = 0.6, moderate), and cognitive learning outcomes (N-gain = 0.4 moderate).Thus, it shows that the web-based electronic portfolio-assisted PBL model is an effective teaching strategy to enhance students' ownership of learning, critical thinking skills, problem-solving skills, and cognitive learning outcomes in the learning process.