Abstract

In providing information to the reader, of course, the ability and mastery of vocabulary are needed, in order to be able to use good vocabulary and follow the existing grammar in writing the presentation so that the reader better understands the written description. For this reason, the formulation of the problem in this study is there any influence of mastery of Indonesian vocabulary and grammar on the ability to write narrative texts for sixth grade students of SD Negeri 143 Barbaran, Mandailing Natal Regency? The purpose of the study was to determine whether or not there was an influence of mastery of Indonesian vocabulary and grammar on the ability to write narrative texts of sixth graders at SD Negeri 143 Barbaran, Mandailing Natal Regency. Correlational research is a quantitative research type of ex-post facto research. Ex-post facto research is research in which independent variables have occurred when the researcher begins by observing the dependent variable in a study. The sample in this study were taken as many as 23 students VI of SD Negeri 143 Barbaran, Mandailing Natal Regency. Data collection techniques in this study were carried out through tests. This study uses data analysis techniques in the form of t-test techniques or hypothesis testing. The results show that there is an influence of mastery of Indonesian vocabulary and grammar on the ability to write narrative texts of sixth grade students of SD Negeri 143 Barbaran, Mandailing Natal Regency, with i