THE EFFECT OF AUDIO VISUAL MEDIA ON STUDENTS’ ACHIEVEMENT IN WRITING DESCRIPTIVE TEXT.

This study was intended to find out the effect of applying the Audio Visual Media on students’ achievement in writing descriptive text. This study was conducted by using experimental design. The population of this research was the first year students of SMP Negeri 3 Perbaungan. The sample of the research was two classes which consisted of experimental and control group which were chosen by using lottery technique. Fourty students were taken as the sample in each class. The experimental group was taught by applying audio visual media, while the control group was taught by applying picture. The data of the study was obtain fom the students’score of writing text. To determine the reability of the test, the writer use inter-rater reliability. The data calculation showed that the coefficient of reability of the test was 0.75. It shows that the test was reliable and the reability was high. There were two sets of data used in this study, they were pre-test and post-test. The data were analyzed by applying t-test formula. After analyzing the data, the result of the study showed that tobserved (2.18) was higher than ttable (1.994) at the level of significance (α) 0.05 with the degree of freedom (df) 78. The finding of this study showed that applying audio visual media was significantly affect on students’ achievement in writing descriptive tex