Abstrak
ABSTRACT Nalisa Ananda Putri, 2320082. “The Effect of Role-Play Technique Towards Students’ Vocabulary Mastery in SMPN 1 Padang Panjang”. A thesis, State Islamic University of Sjech M.Djamil Djambek Bukittinggi. This study aims to examine the effect of role-play technique toward students’ vocabulary mastery in SMPN 1 Padang Panjang. This research was conducted due to several issues related to vocabulary mastery. They were: students’ vocabulary score were still under the standard score. Apart from that, the English teachers still use conventional strategies in teaching English. Furthermore, students did not able to pronounce the vocabulary and difficulty comprehending the meaning of the vocabulary. This study uses a quasi-experimental design with a pre-test at the beginning before being given treatment and a post-test at the end of the meeting after being given treatment. The total population of this study was 224 students. The type of sample selection applied was purposive sampling. The number of samples in the experimental class was 32 students and the number of samples in the control class was 32 students. The technique applied was an English teaching is a role-play, where students connected the vocabulary to past their experiences, practice to using vocabulary and perform the scenes in the front of class. Thus, there was a pre-test, treatment and post-test in this study. This study used the SPSS 20 application to analyze the data. The results identified in this study showed an increase in the scores of students who used the role-play technique compared to the scores of students in classes that did not used the role-play technique. The results of the data analysis showed that the average score in the experimental class was 70,63 and the average score in the control class was 45,38. The data analysis results show that the Mann-Whitney test the value of sig. (2-tailed) was 0.00 0.05. It can be concluded that the role-play technique has proven effective to improve students’ vocabulary mastery.