PENGARUH MODEL PEMBELAJARAN PROBLEM BASED INSTERUCTION (PBI) TERHADAP KEMAMPUAN SISWA BERPIKIR KRITIS DI KELAS XI SMA NEGERI 4 KOTA BENGKULU

Abstract

This study aims to determine the effect of the Problem Based Instruction (PBI) learning model on the ability of students to think critically in class XI SMA Negeri 4 Bengkulu City. This study uses an experimental method, the sample of the population in this study are two classes selected by the Simple Random Sampling technique. Data analysis techniques using 1. Normality Test 2. Homogeneity Test 3. T-Test (Hypothesis Test). Based on the average value of students 'critical thinking skills in the class using the Problem Based Instruction learning model is 77.74, while the average value of students' critical thinking skills in conventional classes is 70.27. And after the t-test, a significant value of students 'critical thinking abilities is obtained, with Tcount 2.899 and Ttable 2.05, then Tcount 2.899> Ttable 2.05, thus based on the hypothesis it can be concluded that there is a significant influence on the value of students' critical thinking abilities using Problem Based Instruction learning model (H1 accepted and H0 rejected).