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CHAPTER III RESEARCH METHODOLOGY
This chapter consists of the design of the study, the objective of the study, the time and place of the study, the population and sample of the study. The other
aspects are the instrument of the study, the technique of collecting data, the content of intervention, the technique of data analysis and the statistical
hypothesis.
A. The Design of the Study
This study is a quasi-experimental design which is not random assignment of participants to groups.
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It consists of an experimental class and a controlled class. The experimental class uses short story as a teaching aids and the control
class only uses the materials in the English book for second grade of Junior High school.
B. The Objective of the Study
The objective of this study is to find out whether there is any influence of short st
ory towards students’ mastery of simple past tense at Junior High school of Puspita Bangsa.
C. The Time and place of the study
The study is conducted at Puspita Bangsa Junior High School, Jl. Aria Putra No. 2 Ciputat. The research was carried out for a month from May 2
nd
to June 3
rd
2013.
D. The Population and Sample
The population of the study is second grade students of junior high school which is divided into three classes and consists of 128 students. Because this
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John W. Creswell, Educational Research, Boston: Pearson Education, Inc., 2012, p. 309.
study is quasi-experimental, the researcher did not randomly assign participants to groups. The sample was collected by using purposive sampling because it has
specific purpose. Commonly, this technique is used because of the limitation of time, energy and cost. Moreover, the subjects who are taken as a sample are the
subjects who have more characteristic in the key subjects.
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Based on the explanation above, the writer took A and B classes as the sample of this study. In the preliminary study, when the writer interview the
English teacher, she said that the English ability in A class and B class were not too different. Their English classes were also in the same day. Those factors could
save the writer’s time and energy. Therefore, the sample of the study was students
in A and B classes. The writer took A class as the experimental class and B class as the controlled class because the writer wants to know whether the ability of the
A class will be higher than B class after the treatment given. The writer took all students from A class N= 44 as an experiment class and B class N= 41 as
controlled class. However, in the end of the research, the writer only got 35 students from each class because the other students were absent.
E. The Technique of Collecting Data
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