The Effectiveness of Using Advertisement in Jakarta Post to Improve Students’ Vocabulary Mastery at Tenth Grade Students of SMA N 6 Purworejo in the Academic Year of 2012/2013

Abstract

The objective of this research is to find out whether using advertisement in Jakarta Post is effective or not in improving students’ vocabulary mastery for the tenth grade students of SMA N 6 Purworejo in the academic year 2012/2013. In this research, the researcher took 64 students as sample. As the experimental group, the researcher used class X2, consists of 32 students. Meanwhile, as the control group, the researcher took 32 students of class X3. Then, the researcher gave pre-test and post-test to both classes. The researcher taught vocabulary by using advertisement in Jakarta Post to experimental group and common way to the control group. The researcher then statistically analyzed the data by using t-test polled variance. After analyzing the data, the result of t-value is 2.79. Based on the 0.05 or (5%) significant level and degree of freedom 64 on the t-table is 1.99. It shows that the t-value is higher than the t-table 2.79>1.99. Another fact shows that the mean score of experimental group is higher than the mean score of control group (82.06>76.75). Therefore, the hypothesis is accepted. It means that the use of advertisement in Jakarta Post is effective in improving students’ vocabulary mastery of the tenth grade students of SMA N 6 Purworejo in the academic year 2012/2013.

Keywords: Analysis, Social Dimension, Letters to Juliet, Movie Script