Abstract:
The experimental quantitative research design was applied in this research. The
objective of the research was to find out the effect of the applying self and peer
assessment method on the students’ speaking ability. This research was conducted
at SMP Muhammadiyah 3 Tanjung Sari Medan academic year 2019/2020 which
consisted of 3 clasess as the population. The sample was consisted of 80 students
which were taken by using purposive sampling technique and divided into two
different groups namely experimental group which consisted of 40 students and
control group which consisted of 40 students. Self and peer assessment sheet was
used as instrument which consisted of five indicators and administrated in pre-test
and post-test. Based on the data analysis, the result showed that there was any
significant effect of the applying self and peer assessment method on the students’
speaking ability with t-critical (tc) value was higher than ttable on the level (6,4603>
2,024). Therefore, the alternative hypothesis (Ha) was accepted and the null
hypothesis (H0) was rejected. It also found that the students who were taught by
applying self and peer assessment (experimental group) got higher scores than the
students who were taught by applying traditional method (control group). So, it
meant that applying self and peer assessment on the students’ speaking ability was
succeeded.
