| dc.description.abstract | Writing is usually considered as the most difficult skill to master for the
students who are learning English. It has many complex processes such as prewriting,
drafting, editing, and revising. Writing is often influenced by the constraint of genre.
One of the genres is descriptive text. In fact, the researcher found some problems in
conveying English materials to the students. An effort was done to solve the problem
by using poster. This study aims to find out the students’ performance before and
after the treatment using poster. Moreover, the researcher investigated the
effectiveness of using poster in teaching descriptive text. The research used quasi
experimental. The participants of this research were 20 students at eighth grades of
Junior High School in Yogyakarta. The data were collected using tests including
pretest and posttest. The result of this research showed that there was a significant
difference between students’ performance before and after the treatment by using
poster. It could be seen from the mean score of the pretest which was in the poor level
(5.24) and mean score of posttest was in fair level (6.64). The finding also showed
that number of effect size was 0.90 which means that the result was categorized to
have a big effect. The result showed that T-value was higher than T-table, in which Tvalue
score was 9.471 while T-table score was 1.729. It indicated that the alternative
hypothesis was accepted. In conclusion, posters had a significant effect in improving
students’ writing skill in descriptive text. | en_US |
