Problem-based learning: Improving student achievement and self-efficacy in mathematics learning

Abstract

This study aimed to determine the student achievement and find out the increased self-efficacy of grade VIII students in SMP Negeri 1 Wiradesa that applied the problem-based learning model. This research is class action research, with the research subjects being grade VIII class 1  students in SMP Negeri 1 Wiradesa which consists of 32 people. The research design used in this study was Kemmis and McTaggart model. The study was carried out in three cycles with two meetings in each cycle. Data were collected by observation techniques, tests, and documentation. Based on the results of the questionnaire, the data analysis technique is descriptive and quantitative with success criteria for the average score of student achievement of more than 75 along with more than 70% of the students who have minimal confidence in the high category. The results showed that the application of the problem-based learning model can improve student achievement and self-efficacy and the trust of grade VIII students of SMP Negeri 1 Wiradesa. The increase can be seen from the written test results in each cycle, student achievement increased from the first cycle 74.7, cycle II 75.9, and cycle III 80.5. As well as for the confidence of students increased from each cycle by meeting the criteria of success in cycle III, in which 78.125% of students have at least high self-efficacy.