Abstract:
The objectives of the research was to find out whether or not the use of
sentence completion technique can improve students’ vocabulary mastery at
SMPN 2 Tual.
The writer applied pre experimental with one group pre-test and posttest. This research was the conducted at SMPN 2 Tual. In this research, the
population was the seven grade students of SMPN 2 Tual in academic year
2018/2019. The total of population were 175 students. The researcher used
total sampling technique. The total of sample was 16 students from class VII1. In analyzing the numerical data, the writer used SPSS for windows.
After conducted the research, the writer concludes that that the use of
sentence completion technique can improve students’ vocabulary mastery it
is proved by the mean score of the students’ in pre-test and posttest. The
mean score of the pre-test before the treatment was 32.50 and after the
treatment the students gained score 62.19. The t-test of the students’
vocabulary achievement in posttest was smaller than α. The researcher
found that the p-value (probability value) was lower than α (0.00 < 0.05) and
the degree of freedom was 15. The t-test value of pre-test and post-test was
remarked significantly different. It indicated that the alternative hypothesis
(H1) was accepted and, of course, the null hypothesis (H0) was rejected.
