Pictorial Domino in Improving the Vocabulary Mastery of the Seventh Grade Students of SMP Negeri 2 Tonjong
Keywords:effectiveness, pictorial domino, improve, vocabulary mastery
The objective of this research is to determine whether pictorial domino is effective or not to improve the studentsâ€™ vocabulary mastery on the seventh grade students of SMP Negeri 2 Tonjong in the academic year 2016/2017. The number of the subjects is 32 students. The samples of the research are class X as experimental group which consists of 16 students and class Y as control group which consists of 16 students. The design of this research is an experimental study. The writers use tests: pre and post-test in collecting the data and use quantitative method to analyse the data by using SPSS 16 program. It is found that in Independent Samples Test between control and experimental class score sig is 0. 311 (more than 0.05) and the score from t-test and Equal Variance Assumed is 0.007 (less than 0.05). It means that both classes have same variant but different achievement. It can be seen from comparing the means of both classes; it is found that the mean of experimental class is 85.75, higher than control class 82.06. Then the result of the mean of post-test of experimental class is 85.75, higher than pre-test 76.25. It can be concluded that pictorial domino is effective to improve the studentsâ€™ vocabulary mastery.