THE EFFECTIVENESS OF TEACHING PROHIBITION USING VISUAL TRAFFIC SIGNS TO IMPROVE VOCABULARY MASTERY AT THE SEVENTH GRADE STUDENTS OF MTs N PREMBUN IN THE ACADEMIC YEAR 2014/2015

Abstract

This thesis is entitled” The effectiveness of teaching prohibition using visual traffic signs to improve vocabulary mastery at the seventh grade students of Mts N Prembun in the academic year 2014/2015” it is aimed to find how effective using visual traffic signs in teaching prohibition to improve vocabulary mastery for the seventh grade students. The population of this research is the seventh grade students of Mts N Prembun in the academic year 2014/2015 as the research subject. The researcher uses type of the research is Quantitative research and uses population research technique because of the limited time, number of samples. The researcher took one class for 30 students as the sample. In addition, the researcher collected the data by using an achievements test and an observation. The researcher then analyzed the data statistically by using t-test. The result of the thesis shows that the mean of the pretest is 66.667 from the total score 2000 and the posttest is 82.333 from the total score 2470. The result of analysis indicates that in teaching prohibition using visual traffic signs is effective to make the students improve their vocabulary mastery. It is proved by the computation that value of t-test is 9.270, this value shows there is a significant difference because the t-obtained is higher than t-table 9.270>1.697. it means Ho is rejected whereas Ha is accepted. Therefore, teaching prohibition using visual traffic signs is effective.

Keywords: Effectiveness, Prohibition, Visual Traffic Signs, Vocabulary Mastery.