The implementation of Audio Visual Media in improving students’ vocabulary mastery through WhatsApp

Abstract

This quantitative research was conducted to investigate the students’ vocabulary mastery after the implementation of audiovisual media through WhatsApp. The sample was 33 students from X MIPA 1 at SMA Muhammadiyah Bandar Lampung. This research based on the experimental group design which applied the pre-test and post-test as the instrument. Besides, the three meetings were conducted for the treatment. The data were analyzed by using Repeated Measured T-Test. The result of this research shows the mean score for the pre-test is 5.24. Meanwhile, the mean score for the post-test is 6.67. It means that the significant difference of students’ vocabulary achievement reaches out the score of 1.43 points. More specifically, the t-value > t-table shows the number of 5.452 which is higher than the t-table 2.0369. Moreover, the value of significant 2-tailed is 0.000 which can be inferred that it is lower than 0.05. Briefly, it can be inferred that the H1 is accepted and H0 is rejected.