出版社：Lembaga Pengembangan Pendidikan dan Pembelajaran Universitas Negeri Malang
摘要：The aims of this research is to increase students achievement of class VIIB SMPN 10 Gorontalo City at sosial aritmetic material through problem-based instruction model with assessment of student potofolio. Procedure of this research uses classroom action research, that is: planning, action, observation, and reflection at two cycles. The results of this research show that there is improvement of students learning outcomes base on criterion of minimal completeness, students activity and ability of teacher manage study base on observation result from the first cycle to the second cycles. Based on this findings can be concluded that problem-based instruction model with assessment of student potofolio can improve the product and process learning at sosial aritmetic material.
关键词：pembelajaran berbasis masalah; hasil belajar; penilaian portofolio
