DOI: 10.36347/sjahss.2017.v05i03.003

Pages: 156-162

Retention is an important indicator of learning. There are various factors that can influence the level of the students’ retention, including the metacognitive skills and critical thinking skills. This research aims at determining the the amount of contribution of metacognitive skills and critical thinking skills simultaneously to students’ retention at Biology learning based on PBL. This is a descriptive of correlational research. The population in this research is all class XI students of Senior High School in Malang at the first semester of the 2015/2016 academic year. The samples used in this research are the class XI students of Natural Science 2 of Senior High School 7 Malang consisting of 24 students, and the class XI students of Natural Science 4 of Senior High School 9 Malang consisting of 23 students. The data are analyzed by using multiple regression analysis. The results of the data analysis show that metacognitive skill give relative contribution as much as 95.05%, and the effective contribution as much as 35.83% towards retention, while the critical thinking skill gave relative contribution as much as 4.95% and effective contribution as much as 1.87% toward the retention at Biology learning implementing PBL.