EFEKTIVITAS MODEL PROBLEM BASED LEARNING DITINJAU DARI KEMAMPUAN BERPIKIR KRITIS DAN SELF CONFIDENCE

Abstract

This quasi experimental research aimed to find out the effectiveness of problem based learning model in terms of studentscritical thinking ability and self confidence. This research used posttest only control group design. The population of this research was all students of grade VIII of SMP Negeri 8 Bandar Lampung in academic year of 2016/2017. Through purposive and random sampling technique, 2 classes were taken as the samples. Based on the result of research, it was concluded that problem based learning model was effective in terms of students critical thinking ability and self confidence.

Penelitian eksperimen semu ini bertujuan untuk mengetahui efektivitas model problem based learning ditinjau dari kemampuan berpikir kritis dan self confidence siswa. Penelitian ini menggunakan posttest only control group design. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 8 Bandar Lampung tahun pelajaran 2016/2017. Melalui teknik gabungan yaitu teknik purposive dan random sampling, 2 kelas diambil sebagai sampel. Berdasarkan hasil penelitian, disimpulkan bahwa model problem based learning efektif ditinjau dari kemampuan berpikir kritis dan self confidence siswa.

Kata kunci: berpikir kritis, problem based learning, self confidence