The Effect Of Using Mobile Gaming Towards Students’ Vocabulary Mastery At The Seventh Grade Of SMP Negeri 4 Siak Hulu

The aim of this research is to know a significant effect on students’ vocabulary mastery by using mobile gaming. Mobile gaming is a media to make students to be increased and improving their English vocabulary. Problems of the research are as in following ; their lack of vocabulary might be caused by the teacher who does not find the best ways of teaching vocabulary in order to be recorded longer in students mind so, by using mobile gaming the researcher wants to find out whether is a significant effect on students’ vocabulary mastery after using mobile gaming as a media. This research is a quasi experimental research. It consists of two classes, VII-2 as the experimental class and VII-3 as the control class by doing pre-test and post-test for each class. In this research, the instrument is a set of vocabulary test. The population of this research of SMP Negeri 4 Siak hulu, there are ten classes. The researcher takes only two classes as experimental class and control class. The researcher used statistical analysis to find out the effect of using mobile gaming towards students’ vocabulary mastery at the seventh grade of SMP Negeri 4 Siak Hulu. The research findings showed that there was a difference in the increase in vocabulary mastery between students in class VII-2 after being taught by using mobile gaming and students in VII-3 taught without mobile gaming. It could be seen from the average of pre-test of VII-2 is 40.42 and post-test is 70.41. The value t-test (4.990) is bigger than the value of t-table. Therefore, the null hypothesis was rejected and alternative hypothesis was accepted. So, there is significant effect of using mobile gaming towards students’ vocabulary mastery at the seventh grade of SMP negeri 4 Siak Hul