CHAPTER IV RESEARCH FINDING AND DISCUSSION
B. Discussion
The findings of the research show that the Educational Poster was an effective educational media for teaching vocabulary. It was clear from the comparison between the pre-test and post-test after giving treatment by using educational posters, the mean score of pre-test was 52.27 and mean score of post-test was 84.69.
Moreover, based on the t-test that the mean score of pre-test was 52.27 and mean score of post-test was 84.69 it shows that the significant improvement. The score of sig. (2-tailed) was 0.00 it was lower than 0.05. it shows that the Ho was rejected, and Ha was accepted. It means that the use of educational Posters was given a significant effect of using educational Posters on students’ vocabulary mastery at MTs Al-Jamil Bare Eleh, Aik Bual, Kopang, Central Lombok
The score of testing effect size was 2.96 it shows the implementation of educational poster on students’ vocabulary mastery was an effective educational
media. the categorize of the effective criteria was presented on chapter III based on Gail M.Sulvian and Richard Feinn criteria.
The implementation of educational Posters on students’ vocabulary mastery was an effective educational media. It increases students vocabulary mastery it as seen as pre-test and post-test score. Rita argues that the role of educational Posters on learning process has a significant effect for teachers in covering learning, the attendance of Posters can be conveying learning and it eases the teachers to explain the subject, also it helps students to understand the subject easier.59 Educational Posters can be a new breakthrough to teaching vocabulary, because vocabulary learning is a boring lesson on school and to many students do not like this lesson because they felt boring and other, so Posters can be a new learning media to attract students attention.
Some of advantages of learning vocabulary using educational Posters as follows:
a. It helped students to enrich their vocabulary mastery, by teaching them using educational Posters the students show their improvement of their vocabulary knowledge as seen as mean score of pre-test and post-test b. Attracting students’ interest, based on learning vocabulary knowledge
as known the vocabulary knowledge is the boring list of words to
59Rita, Penggunaan media poster untuk meningkatkan hasil belajar IPA peserta didik kelas V B SDN Palangkaraya, Vol 10, Pedagogik journal pendidikan, Hal: 60.
learning. Croll claims that the most difficult part in language teaching is vocabulary because vocabulary learning commonly boring for the students and it spends many times60
It can be concluded that the educational Poster in teaching vocabulary result shows that the significant effect on their vocabulary knowledge. It was testified by pre-test and post-test score.
60 Narin and Mede, a comparative study on the effectiveness of ………… P: 3443
CHAPTER V
CONCULSION AND SUGGESTION
A. CONCULSION
Based on the previews discussion, it can be concluded that the educational Poster has significant effect on vocabulary mastery, by applying educational Posters that can improve students’ vocabulary mastery, and based on previous discussion stated that the implementation of educational Poster gave a significant effect on students vocabulary it can be seen on their mean score of pre-test and post-test.
B. SUGESSTION
Based on the result of the research, the researcher provides some of suggestion, for the school, this research provides that the use of educational Posters can improve students’ vocabulary mastery, it can be used as an alternative education media for teaching vocabulary. For the teacher, the result of learning using educational posters can be guided on learning process, and for the further researchers, this topic can be re-examine because this research only uses one group without control group (pre- experimental), for the next researcher may use quasi or true experimental design. Also the research about educational Posters is still minim using
qualitative approach, so big hope for the further research to use qualitative approach testing educational Posters on students’ vocabulary mastery.
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