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

Abstract

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.