pengaruh penggunaan game mobile legend terhadap penguasaan kosakata bahasa Inggris siswa kelas VIII SMPN 3 Ujungbatu
ABSTRACT Roihana, 2319087, “The Effect Of Using Mobile Legend Game On Students’ English Vocabulary Mastery At The Eighth Grade Of SMPN 3 Ujungbatu” a thesis, English Education Department. UIN Sjech M. Djamil Djambek Bukittinggi, 2024. This research was due to the problems that were found at SMPN 3 UJUNGBATU. First, the lack of students' vocabulary. Students' vocabulary mastery is still low, this can be seen from students not being able to mention basic vocabulary requested by the teacher according to their meaning. Second, students easily forget the meaning of the words they are learning. Third, effective and interesting vocabulary learning media have not been found for students, students are less enthusiastic in developing their vocabulary. Some even fall asleep in class during the learning process. There are also those who play online games. In designing this research, the researcher used the pre-experimental method (One-shot case study design). The population of this study was 115 eighth grade students consisting of 4 classes, namely 81, 82, 83, and 84, with a sample of 84th grade students consisting of 25 students selected by random sampling based on several reasons. First, because the population has some of the same syllabus or material. Second, students use the mobile legend application more. Finally, the students were selected after it was discovered that they had poor vocabulary mastery. Data collection was carried out by preparing a vocabulary test in the form of multiple choices. Data were analyzed using the t-test formula. The findings revealed that the results of the paired sample t-test calculated using SPSS 20. Sig. Value (2-tailed) 0.05, namely 0.000 0.005, which means that there is a difference in the average vocabulary mastery of students in the pre-test and post-test. The average pre-test (28.40) and post-test (64.60). The average post-test score is higher than the pre-test. This means that there is a difference in students' vocabulary mastery when taught using a guidebook and using the mobile legend game application. This shows that "There is a significant influence of the Mobile Legend Game on the vocabulary mastery of eighth grade students at SMPN 3 UJUNGBATU in the 2024 academic year. Based on these results, English teachers can use Mobile Legends as an alternative teaching medium to improve students' vocabulary mastery. Furthermore, students are advised to use Mobile Legends to improve their vocabulary.