This research aims to improve critical thinking skill of X AKL 1 graders SMK Negeri 2 Magelang with experiential learning implementation. is classified as Classroom Action Research (CAR) that conducted two cycles. Data collection techniques used are test and field notes. Based on the results study, it can be concluded implementation Magelang. In cycle I, average value students’ was 44.8 at pret...

This study aimed to determine the effect of discovery learning on students’critical thinking skill. The research was a comparative with 64 students 11th grade that were randomly selected from senior high school in Yogyakarta. data critical collected through test instrument. Face content and construct validity conducted as initial step developing instrument before used measure students’ skill to...

Problem-based learning (PBL) is considered to improve students’ critical thinking (CT) skills. However, there are several obstacles implementing this instructional model. PBL highly time-consuming and creates a high cognitive load, so it not suitable for all students, especially students with low prior knowledge. To investigate problem, we conducted quasi-experiment study the difference in impr...