The Effect of Ethno Science-Based Direct Instruction Learning Model in Physics Learning on Students' Critical Thinking Skill

This paper aimed at discovering the effect of critical thinking skills after the Ethno science-based Direct Instruction learning model was implemented in physics learning. It was conducted in High School 3 of Bengkulu City. This paper used the Quasi Experiment. The sample was gained using sampling purposive technique that was XI Natural Science 2 as experiment class and XI Natural Science 4 as control class. The results obtained indicated that the post-test average score of critical thinking skills acquired in the class using the Ethno science-based Direct Instruction learning model and the class using a conventional learning model. Based on the data analysis result using a t-test, it showed that the Ethno science-based Direct Instruction learning model influenced the students’ critical thinking skills. The post-test average score of experiment class using the Ethno science-based Direct Instruction learning model and the post-test score of control class using the conventional model showed that there was a significant difference. Based on the hypothesis test, it was found that the alternative hypothesis (Ha) could significantly be accepted. This paper concluded that the students’ critical skill raised effectively when using Ethno science-based Direct Instructional Learning Model especially for Physics Learning and the paper suggests not to use conventional model.