music, and they can develop the ideas and create the imagination. It is suitable to apply suggestopedia as a treatment for
students’ vocabulary mastery because suggestopedia provides a good environment to students. Suggestopedia help the
students in learning process. By suggestopedia, the students can study while listening or enjoying an instrument music that played by the teacher. It makes
the students feel relax. When the students relax, it helps them to understand and memorize new words that given by the teacher easier. They will not only know,
but also understand and memorize the words. Because they know the word by doing something such as gesture and role play.
However, suggestopedia is a method giving a good suggestion to build students„ confident, active, enthusiast by making a different atmosphere in the
learning process especially in learning vocabulary.
G. Theoretical Hypothesis
The purpose of this research is to know whether using suggestopedia method in teaching vocabulary is effective for the students to master vocabulary
and learn English. To find the answer of the problem, the writer should propose research hypothesis as below:
Suggestopedia is effective for teaching students’ vocabulary mastery at
eighth grade students of SMP N 166 Jakarta.
21
CHAPTER III RESEARCH METHODOLOGY
This chapter presents the research design, the place and time of the study, the population and sample, the research instrument, the technique of data collecting, the
technique of data analysis, and statistic hypothesis.
A. Place and Time of The Research
The research was held at the eighth grade students of 166 Junior High School which located at Jl. Kedondong, Jagakarsa, on 20 of June 2016 until 17
th
of Januari 2017.
B. Method of The Research
This research employed quantitative method, which used quasi- experimental study as the research design. The quasi-experimental design is
described in the following table
1
:
Table 3.1 Pre- and Post-test Design
Select Controled Group
Pre-test No Treatment
Post-test Select Experimental
Group Pre-test
Experimental Treatment
Post-test
Based on the table above, the writer took two classes, the experimental class and controlled class. The writer conducted the research for six meetings. In the first
meeting, the writer gave pre-test to both of classes. Then the writer taught the
1
John W. Creswell, Education Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research, Third Edition, New Jersey: Pearson Education, Inc, 2008, p.310.
