Abstract:
The objectives of the research were to find out the effect of applying cooperative
learning by using media tayang on the students’ writing achievement. The research
was conducted at SMP Muhammadiyah 57 Medan located in Jalan Mustafa No.1
Kecamatan Medan Timur. The population was 2019/2020 year. The sample was
taken from two classes of population which had three classes. The students were
divided into two groups, they were pre-test and post-test. The experimental group
there were 28 students which taught by applying cooperative learning method by
using media tayang on the students’ writing achievement and the control group there
were 28 students which taught by using conventional method. The instrument was
used by writing test. In scoring of the students’ writing achievement there were five
categories content, organization, vocabularies, language use, and mechanism. The
data was analyzed by using t-test formula. The finding showed that the t-hitung value
was higher that t-table was 22 and 1.673 ( 22 > 1.673 ). It means that the null
hypothesis ( Ho ) was rejected and the alternative hypothesis ( Ha ) was accepted .
