The purpose of this study was to determine the implementation of the Problem Based Learning (PBL) learning model in improving student learning achievement and mutual cooperation attitude in science learning. This study used the Classroom Action Research (CAR) method. The subjects of the study were 33 students of class III A of SD Negeri 2 Purbalingga Lor. The research data collection technique used test and non-test techniques. Based on the results of the study, there was an increase in student learning achievement and mutual cooperation attitude. Student learning achievement in cycle I with a percentage of completion of 37.09%. In cycle II, student learning achievement increased with a percentage of completion of 79.025%. Student mutual cooperation attitude in cycle I with a percentage of 48.38% and an increase in cycle II with a percentage of 83.87%.
Copyrights © 2025