Abstract:
The objective of this research was to investigate the effect of applying
summarization strategy to the students’ reading achievement in identifying main
idea. This research applied experimental research. Population of this research was
the second year students of Senior High School in SMK TAMAN SISWA Medan
at Jl. Sabarudin No. 08 Sei Renggas Permata Medan Kota in the academic year
2019/2020 with the total population was 145 students. This research used
experimental research design namely One group pre-test and post-test. The
sample consisted of 30 students in class XI-AP1. The experimental group was
taught by applying summarization strategy. The instrument of collecting data was
multiple choice which consisted of 20 items. The experimental group was given
pre-test and post-test. After the data had been collected, there were analyzed by
using t-test formula. The result of analysis showed that the t-observe (tₒ = 7,0)
was higher than t-table with the level of significant 𝜶 = 0.05. The last
hyphothesis showed that Ho was rejected and Ha was accepted. It means that
there was a significant effect of applying summarization strategy to the students’
reading achievement in identifying main idea.
