THE EFFECTIVENESS OF GUESSING GAME TECHNIQUE TO IMPROVE STUDENTS VOCABULARY MASTERY

This research aimed to find out the improvement of students\u27 vocabulary mastery by using guessing game. The researcher used the pre-experimental research. The researcher had conducted a treatment, which consisted of fourth meetings. The population of this research was the tenth grade of SMK Bina Umat in the academic year 2021/2022 . The researcher used guessing game. The researcher is instruments that were used in collecting the data are; pre-test, post-test and questionnaire. The results showed that class TKJ 1 SMK Bina Umat had a bad pre-test mean score of 44, after treatment using the guessing game, the student\u27s mean score increased significantly to 7.9 in post-test. The use of this method is very effective in improving students vocabulary mastery, the researcher found that the t-observed value was higher than that of the t-table (17.6 > 2.093), therefore HO (Null Hypothesis) was rejected and HaI (Alternative Hypothesis) was accepted, stating that there is significant difference in the students mean scores before and after the treatment using Guessing Game Technique. This can be concluded that the use of guessing game can significantly improve the student’s vocabulary mastery