Abstract:
English is International language in the world. In Elementary School up to University level, English is lesson that important to teach. But, there is many factors that caused the students‟ difficulties in learning English. Using Signboard Pictures Media is alternative way to improve Students‟ Vocabulary Mastery easily and effectively. The researcher aimed to find out whether the effectiveness of using Signboard Pictures to Improve Students‟ Vocabulary Mastery at the Sixth Grade of SD N Bendungan Purworejo in the academic year 2015/2016.
The type of the research is quantitative with pre experimental design. The independent variable of this research is teaching vocabulary item using picture of signboard, which is symbolized by „‟X‟‟. The dependent variable of this research is the students‟ vocabulary mastery, which is symbolized by „‟Y‟‟. The population of this research is sixth-grade students of SD Negeri Bendungan Purworejo is 26 students. The researcher uses purposive sampling on taking sample. To collect the data the researcher used tests as the instrument, they are pre- test and post- test. The type of the test is multiple choice tests which consist of 25 questions in each test. To analyze the test the researcher uses descriptive analysis consist of the mean, mode, median, standard deviation, the lowest score, and the highest score, and inferential analysis. This analysis is used to conclude the hypothesis. The researcher applies test of normality.
After analyzing the data, the researcher concludes that the result of t-value is 17.425. Based on the 0.05 significant levels, the value table is 2.000. The result of computation shows that t- value is higher than t- table. That is 17.425 > 2.000. Another fact shows that the media used is effective. It is shown by the mean of post- test is higher than pre- test, mean post test is 87.38 and mean pre- test is 56.92. Based on the result finding, it can be concluded that the using picture of signboard is effective to improve students‟ vocabulary at the sixth grade of SD Negeri Bendungan Purworejo in academic year 2015/2016.
