Critical Thinking Skills in Economic’s Learning using Teaching Material based Problem Based Learning and Predict Observe Explain (TM-PBLPOE)

Abstract

The aim of this research is to determine the effectiveness of Teaching Materials based on Problem Based Learning Predict, Observe and Explain (TM-PBLPOE) on the development of students' critical thinking skills in economics learning. The research was conducted in SMA Muhammadiyah 1 Surakarta. The Research method was quasi-experimental and pretest-posttest control group design. The population of this research is the tenth years students of SMA Muhammadiyah 1 Surakarta in the academic year of 2021/2022. The writer used purposive sampling to get sample. The sample consists of 70 students which are devided into two classes. The first class consisting 36 students as an experimental class,and the other 34 students as a control class. The instrument used to collect the data was test to get scores of critical thinking skill. Data analyst using inferential statistics. The results showed that TM-PBLPOE were effective in improving critical thinking skills in economics learning. This is supported by the results of the independent sample t-test with the acquisition of a p-value of 0.000 < 0.05 and a Normalized gain (N-gain) of 76.80 which is included in the effective category. The use of TM-PBLPOE can be an alternative to economics learning teaching materials to improve critical thinking skills.