THE EFFECT OF USING POSTERS ON STUDENTS’ ACHIEVEMENT IN WRITING HORTATORY EXPOSITION TEXT

This study was focused on the investigation of The Effect of Using Posters on Students’ Achievement in Writing Hortatory Exposition Text. This study aims at findings whether using posters as the media affect the students’ writing achievement or not. This study used an experimental research design with two variables, namely using posters as independent variable and students’ achievement in writing hortatory exposition text as dependent variable. The population of this study was the 2014/2015 second year students (grade XI) of SMA Budi Agung Medan and 60 students were taken as the sample. The sample was divided into two groups, experimental group and control group. The experimental group was taught by using posters while the control group was taught without using posters. The instrument used in this study was a written test. The data were taken by administering the pre-test and post-test to both control and experimental groups. These data were analyzed by using t-test. The result of computing the t-test obviously showed that t-observed is higher than t-table (3.12 > 1.67) with the degree of freedom 58 (df = N-2) at the level significance 0.05 one tail test. It showed that the using of posters affects the students’ achievement in writing hortatory exposition text