Leveraging Instagram to Enhance the Eight Grade Students” Vocabulary Mastery in Junior High School

Abstract

Abstract
 This research aims to find out how effective the impact of Instagram is in improving students' vocabulary understanding. This study aims to determine the effectiveness of using Instagram social media in increasing the vocabulary mastery of class VIII students of SMP Negeri 4 Kubutambahan. This type of research is a quasi-experiment involving 64 students selected through an intact group sampling technique. Data collection used quantitative methods with a post-test-only control group design. By using the pre-test as a test of the requirements that the students' abilities between the two classes are the same. And for the post-test is used as a hypothesis test. The results showed that there were significant differences between students' vocabulary mastery before and after the intervention. results of independent t-test analysis on experimental and control group post-test scores obtained t (df = 62) = 0.3.148, p > 0.003. This means that the research hypothesis is accepted. In other words, the use of social media Instagram for learning can improve the vocabulary mastery of class VIII students of SMPN 4 Kubutambahan.