Abstract:
The objective of the study is to find out the effectiveness of cooperative
learning: jigsaw method to improve speaking skill to the second grade students of
SMA N 5 Purworejo in the academic year of 2013/2014.
This research is a pre-experimental research. The population of this
research was the second grade students of SMA N 5 Purworejo. The researcher
took XI-IPA 2 as the sample. The researcher compared the result of pre-test which
was hold before giving treatment and the result of post-test which was hold after
giving treatment.
The data in this research was calculated manually and by using SPSS
statistic 18. The result of the study shows that jigsaw method is effective to
improve students’ speaking skill on the second grade students at SMA N 5
Purworejo in the academic year of 2013/2014. It is proved by the mean of the
post-test result was higher than the pre-test result (77.34>65.16). The t-test was
7.081. It was higher than the t-table (7.081>2.000).
