Pengaruh Model Pembelajaran Problem Based Learning terhadap Kemampuan Berpikir Kritis Matematika Siswa SMP

Abstract

The study aims to describe the effect of the problem based learning model towards students' mathematic critical thinking in Junior High School. This research is a quasi-experimental research with nonequivalent pretest-posttest kontrol group design. The sample in this study was 72 students of SMP Negeri 6 Mataram (experimental group = 36 students, kontrol group = 36 students) with sampling using random sampling technique. The research instruments used a description test consist of 5 questions. The results of students' msthematic critical thinking skills were measured based on the results of the posttest using a statistical test, namely the t-test using the 2016 Microsoft Excel application. The results of the t-test on students' mathematic critical thinking skills in the experimental group and the kontrol group. Viewable Results t-calc. = 2,980 t table= 1.944 so that t calc>t table it can be concluded that there is an effect of the problem based learning model on students' mathematic critical thinking skills.