The Effect Of Applying Inquiry Based Learning (IBL) on Students' Ability In Persuasive Writing

Abstract

This researcher was conducted to obtain empirical evidence about the effectiveness of the inquiry based learning on student‟s ability in persuasive writing with population was students at the SMK Pariwisata Imelda Medan tenth grade. The samples were 58 students selected trough purposive sampling techniques and classified into two classes, namely the experimental class and the control class. The instrument used in this study was an essay test given in pre-test and post-test. Treatment given to each class was the inquiry based learning strategy in experimental class and lecturing strategy in control class. Score of pretest and post-test were analyzed by using T-test. The results of the pre-test score of the classes of mean scores were not much different. Meanwhile, the post-test score result showed that the score of experimental class was higher than the score of the control class; the result revealed that the pvalue of the post-test was 0.026 with a significant level of 5% (0.05). So, it was clearly defined that the application of inquiry based learning strategies affected the students‟ ability in persuasive writing of students at SMK Pariwisata Imelda Medan at academic year 2019/2020.