International Journal of Academic and Applied Research (IJAAR)
  Year: 2021 | Volume: 5 | Issue: 4 | Page No.: 199-205
The Effect of Applying Problem Based Learning on the Sixth Grade Students' Critical and Communicative Thinking Skills at SDN Tegal Besar 03 Jember
Rini Purwaningtyas , M. Sulthon Masyhud, Mohammad Imam Farisi

Abstract:
This research was based on the problem that arose related to the lack of students' skill in solving the problems they face. This condition results in the low ability of students to think critically and students do not have the opportunity to develop their communicative skills. The objectives of this study were to: (1) determine whether or not there is an effect of the applying Problem Based Learning on students 'critical thinking skills, (2) to find out whether or not there is an effect of applying Problem Based Learning on students' communicative skills. This research used the Quasi Experimental method with research design "Non equivalent control group design". The research subjects were students of class VI SDN Tegal Besar 03 Jember which were divided into a control group and an experimental group. The main data collection method used was the learning outcome test. After the data had been collected, the data were analyzed by using 2 types of data analysis techniques, namely t-test, and relative effectiveness analysis. The results indicated that: (1) there is a significant effect of applying Problem Based Learning on the sixth grade students' critical thinking skills at SDN 03 Tegal Besar. The relative effectiveness was 62.1% with the high category, (2) there is a significant effect of applying Problem Based Learning on the students' communicative skills. The relativel effectiveness was 62.73% with the high category.