Improving critical thinking skills through the integration of problem based l…

Purpose – The purpose of this paper is to improve the critical thinking of biology students of STKIP Hamzanwadi Selong on an environment course through the implementation of Problem-Based Learning (PBL) and Group Investigation (GI) through Lesson Study. Design/methodology/approach – This study employed a descriptive qualitative method. The subjects of the study were 73 freshmen biology stu…