Critical thinking skill through problem-based learning with problem posing within-solution

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 improvement of CT skills between who using student problem posing within-solution (PPWS). The sample research 71 school Mataram City. result revealed that was no enhancement skill learn PPWS. This means can substitute into PPWS foster