The Effectiveness of Word Wall Media on Students' Vocabulary Mastery

The purpose of this study was to investigate the effects of word wall media on students' vocabulary mastery in the seventh grade of SMPN 8 Rupat. The research applied a quasi-experimental design, with two classes as the experimental and control groups. This study used a one-equivalent control group design (pre-test and post-test). The samples for this research were 36 students in VII-1 and VII-2 classes. According to the result, the average for the pre-test was 33.42, while the average for the post-test was 76.15. For more details, a paired T-test was conducted on the students' pre-test and post-test scores. The results revealed that students taught with Word Wall media showed improved vocabulary mastery compared to their counterparts because the sig. (2-tailed) value following the paired sample T-test is 0.000, which is smaller than 0.05.