Abstract :
The benefit of this research that has been carried out is that the guessing game method can train the speaking skills of grade XI students of Vocational High School, this type of research is quantitative method research that has been carried out in two different class groups, namely the control class and the experimental class. This study has been conducted by researchers for 4 meetings with the above procedures, namely the first meeting for pretest, the second and third meeting for treatment measures, and the fourth meeting for post-test. During treatment, both classes learned English with the same learning content, but only the experimental class used Guessing Game Technique, while the control class only used the technique of listening to the teacher's explanation and doing exercises as familiar at school. The t-test was used as the main method in analyzing the results, while observations were included to gather further information. The t-test results show a Tcount value of (3.101) with a Ttable of (2.009) with a df of 52 students and a singnification level of less than 0.05 or 5% (p = 0.000 < 0.05). Based on the results of the study, it can be concluded that the learning outcomes of students in class XI Vocational High School using the guessing game method increased.