Improving the critical thinking skill of high school students: The context of tracker software applications

This study aims to improve students' critical thinking skills using the tracker software application. The research design used was a pre-experimental design with a one-group pretest-posttest design model. The sample in this study were all students of class X IPA 5 totaling 34 students. Sampling was done by simple random sampling technique. The data collection methods used were tests, documentation, and observation, while the Wilcoxon and N-gain tests were used to analyze the data. The result of the Wilcoxon test using SPSS IBM 25 shows the sig. 2-tailed is 0.000, meaning that the value is <0.05 so that Ha is accepted. The N-gain results obtained were 70% and included in the medium category. Thus, this study proves that the use of a tracker software application can improve students' critical thinking skills in Work and Energy material for class X IPA 5 SMA Negeri 3 Yogyakarta.