The Effect of Using Venn Diagram Method in Teaching Writing Explanatory Text at Class X Students of SMK HKBP Sidikalang
Abstract
This research aimed to find out the effect on students’ writing skill by using Venn
Diagram Method. The research design of this study was experimental quantitative. The ten grade students in SMK HKBP Sidikalang were chosen as the sample of this study with total number of 30 students. The experimental and control class employed pre-test and post-test. These tests proved in the form writing test. The data on the tests were calculated by using t-test formula. The result showed that the post-test score was higher than the pre-test. The finding showed that there was an effect significantly on the student’s writing skill after treatment. The improvement can be seen from the result of the test. The mean score of the experimental class range from the pre-test was 57,6 and the post-test 80,9. And for the control class the mean score pre-test was 51,5 and from the post-test was 58,0. The results of the T-test calculation show that t-observed > t-table-9.53 > 1.699 at a significance level of p=0.05 degrees of freedom (df)-Nx+Ny-2= 15+15-2-28. Thus Venn diagram method could be used as one of the alternative to teaching writing Explanatory text for Tenth grade of SMK HKBP Sidikalang.