THE INFLUENCE OF USING TEXT TWIST GAME TOWARDS STUDENTS’ ENGLISH VOCABULARY MASTERY IN THE SECOND SEMESTER OF THE ELEVENTH GRADE AT SMA N 1 PENENGAHAN IN THE ACADEMIC YEAR OF 2016/2017

Vocabulary is one of language elements that should be mastered by the students. Vocabulary mastery is meant as an ability of speaker or writer to use all the words of language that they have learn in conducting both oral and written communication. The students’ vocabulary mastery of SMA N 1 Penengahan is still low. It can be seen from the students’ vocabulary mastery score in preliminary research. There were 60.36% of the students who got the score under 72 as the criteria of minimum mastery. To solve the problem, the writer applied Text Twist game. Text Twist game is one way to help students improve their vocabulary mastery by doing some procedures in the technique such as rearranging the letters into correct word and then finding meaning from each word. The objective of this research is to know whether there is a significant influence of using Text Twist game toward students’ English Vocabulary Mastery in the Second Semester of the Eleventh Grade at SMA N 1 Penengahan in the Academic Year of 2016/2017. The research methodology was quasi experimental design. In this research, the population was the eleventh grade of SMA N 1 Penengahan, South Lampung. The sample of this research was two classes consisting of 38 students for experimental class and 38 students for control class. In the experimental class, the writer used Text Twist game and in the control class the teacher used Translation Technique. The treatments were held in 3 meetings in which 2 x 45 minutes for each class. In collecting the data, the writer used instrument in the form of multiple choice questions which had been tried out before the treatments. The instrument was given in pre-test and post-test. Before giving the treatment, the writer gave pre-test for both classes. Then, after conducting the treatments, the instrument was given in post-test. After giving pre-test and post-test, the writer analyzed the data using SPSS to compute independent sample t-test. Based on the data analysis computed by using SPSS, it was obtained that Sig. = 0.000 and α = 0.05. It means Ha is accepted because Sig. < α = 0.000 < 0.05. Therefore, there is a significant influence of using Text Twist game towards students’ vocabulary mastery in the first semester of the eleventh grade at SMA N 1 Penengahan, South Lampung. Keywords: Text Twist game, vocabulary mastery, quasi experimental research