Improving Students' Critical Thinking during Covid-19 through Online Learning

The application of Problem Based Learning model by online learning during the Covid19 period is one way to improve students' thinking abilities. This research aims to obtain empirical data about the comparison of student’s critical thinking skills levels by using the online based Problem Based Learning (PBL) model using the Zoom application and Whatsapp Grup in class X IPS SMAN 5 Tangerang Regency. The method of this research used quantitative that is quasi-experimental design. This research’s samples were class X IPS as an experimetal class or class A and class X IPS 2 as a control class or class B. The researcher analyzed the data in descriptive statistic by using SPSS 25 version. The results showed that applying the Problem Based Learning model has apositive impact on improving student’s critical thinking skills.