实施合作学习以提高五年级学生科学学习成果：一项课堂行动研究

This study aimed to describe the implementation of the cooperative learning model, students’ learning activities, science learning outcomes, and the challenges encountered, together with the efforts made to address them, in Grade V at UPTD SD Inpres Lasiana, Kupang City. This study employed Classroom Action Research (CAR), conducted in two cycles, each consisting of planning, action, observation, and reflection. The participants were 30 fifth-grade students, comprising 17 boys and 13 girls. Data were collected through classroom observations and written tests. The observational data were used t