The purpose of this research was to determine the effect of the students‟ ability of
using idiomatic expression in speaking skills at SMP Negeri 3 Tana Toraja. This
research used quantitative because the research data in the form of numbers and
analysis using statistics. The sample used was class VIII A which amounted to 19
students. This research was carried out in the even semester of the 2021/2022
academic year. Techniques of collecting data used the rating scale rubrics, which
includes pronunciation, grammar, vocabulary, fluency and understanding. The data
analysis used scoring system and T-test. Statistically, this research was proven to
develop the speaking of students who assessed from the mean value in the
experimental group in the pre-test 52,42 and post-test 68,84. From these results, this
research concluded that the use of using idiomatic expression by two-word verbs
was able to develop students‟ speaking skills.
A. Conclusion
Based on the results of research on the application of idiomatic expression
in developing speaking skills and various descriptions that have been explained in
previous chapter, it can be concluded that there is a sizeable difference between
the pre-test and post-test, according to data analysis research. The average pre-test
score on the standard deviation was 7.58, while the post-test score 8.80.
The significance of the 0,05 degrees of freedom is 1.734. As for the results
of the difference in the significance of the post-test, namely 8.642>1.734. This
means that the research hypothesis is accepted or H1 is accepted and H0 is
rejected. So that developing students‟ speaking abilities by applying idiomatic
expression in learning English to students is clearly effective.
B. Suggestion
Based on the conclusion of the research, the researcher suggest for the
following parties:
1. Idiomatic expression is used as an alternative for teachers in communicating
and delivering material to students.
2. So that it is expected to be able to help or facilitate students in preparing
speaking assignments. Thus, it is hoped that idiomatic expression can help to
develop students‟ speaking skills.

STAR20230034

34/2023

Perpustakaan Pusat

Tersedia