Hamrianti. 2021. The Use of Serial Image Media to Improve Students‟ Writing Skill at SMP Negeri 1 Walenrang, (Supervised by Rizal A.M Sjachrun and Fibri Indira Lisanty A.D).

The research aims to determine the effective used of serial image media to improve the writing skill of eighth grade the research at SMP Negeri 1 Walenrang. The method used in this research is a pre-experimental design. The
population of this study was the eighth grade the research of SMP Negeri 1
Walenrang, and the number of samples was 20 the research. The research
instrument is a descriptive writing test. The result of this study showed that after
used serial image media in teaching writing descriptive test in the eighth grade of
SMP Negeri 1 Walenrang increased. This shows that there is a significant
difference in the research scores on the pre-test and post-test. Average score of the
research pre-test was 48.00 and post-test 92.00. Furthermore, the result of t-test
calculation shows P-value < α (0.00<0.05) with degree of freedom N-1 (20-1).
That is, the null hypothesis (H0) is rejected and the alternative hypothesis (H1) is
accepted. So, there is a significant difference between the results of the pre-test
and post-test after treatment. Therefore, the writer concludes that serial image
media is effective in teaching writing descriptive text in the eighth grade of SMP
Negeri 1 Walerang.