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CHAPTER III RESEARCH METHODOLOGY
A. The Place and Time of the Study
The writer chose SMPN 3 Tangerang Selatan as a place of study. The study was conducted on September 2015.
B. Method and Research Design
1. Method
This study was conducted using a quasi experimental research that used 2 classes which consisted of one control class and one experimental class.
Generally, the researcher in experimental research used two groups, experimental group as a group that get the treatment and the control group that
did not get treatment. So, this study was focused on using Jigsaw technique as a treatment in experimental class, then the writer compared the result with a
control class that did not get a treatment in the end of the research.
2. Research Design
In this study the writer used a quasi-experimental method with one experimental class and one control class. The design of experiment that used is:
Table 3.1 Pretest
Treatment Posttest
Difference
Experimental Class
X -
Control Class
-
Y
1
= Pretest of both experimental and control class
Compare
Y
2
= Posttest of both experimental and control class
X =
Implementation of Jigsaw Technique
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C. The Population and Sample
1. Population The population of this study is the second grade student of SMPN 3
Tanggerang Selatan. This school has ten classes for second grade with 4 English teacher. Because only one teacher who permitted the classes to used as
sample, the researcher took 2 classes for this research. 2. Samples
The sample are 60 students from two classes; VIII.8 and VIII.9. The writer was implemented jigsaw technique in the first class and jigsaw technique was
not implemented in the second class. Before the writer conduct the research, he made sure that both of classes have the similar characteristic or achievment by
doing an oral test. It was found that the students from both classes have the same characteristic and achievment in oral test. The sample of this study was a
class VIII.8 as an experimental class and VIII.9 as control class which each class consistted of 30 students.
D. The Research Instrument
The Instrument of the research was test. Oral test was tested to get sistematic data. Retell narative story was an oral test which was planed by
researcher. Telling narative story was used as an Instrument of a pre-test and a post-test. The result of oral test was spared in the oral test criteria consist of 5
criteria which was designed validity. The researcher used content validity to attain students the evidence of valid instrument. The researcher made the
school English syllabus as the main achievement. The oral test was held to get
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Larry Christensen, Experimental Methodology, USA: University of South Alabama, 2007, p. 332.
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