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Where: A
1
B
1
: Students taught by using the Collaborative Writing method with the
high creativity. A
1
B
2
: Students taught by using the Collaborative Writing method with the
low creativity. A
2
B
1
: Students taught by using the Direct Instruction method with the high creativity.
A
2
B
2
: Students taught by using the Direct Instruction method with the low creativity.
D. Population, Sample, and Sampling
Frankel and Walen 2000: 103-104 state that population is the larger group to which one hopes to apply the results. The population in this research is
all the third semester students of English Department at STAIN Jurai Siwo Metro in the academic year of 20122013 which consists of five classes, those are A, B,
C, D, and E which consist of 218 students. The third semester students of English Department are included having high interested in English. It can be proved by the
total of classes in English Department. Among the programs in STAIN Jurai Siwo Metro, English Department is one of the most favorite programs for students.
Furthermore, sample is group in a research study from which information is obtained Frankel and Walen, 2000: 103. According Arikunto 2002: 109,
sample is a half or a part of the population which is being researched. Based on the theories, the researcher decided to take only 80 students or two classes from
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all of population as the sample of this study. One class was experimental group and the other was control group.
Meanwhile, the researcher used cluster random sampling in this study. Cluster random sampling is a sampling in which group, not individuals, are
randomly selected Gay, 1992: 132. In this case, the researcher was carried out to take samples of the research and to determine two preexisting classes used as
experimental and control groups. It was carried out by doing lottery. The lottery was carried out towards the five classes of the population. Each group has the
same possibility to be the sample of the research. Based on the lottery, there were two classes chosen to be the subjects of the research, that was class B and class C.
Then, the second lottery was carried out to assign which class, class B or class C, became the experimental and control groups. The result of the lottery revealed that
class C became the experimental group and class B became the control group. The experimental group that was chosen would be given a treatment by using
Collaborative Writing method. On the other hand, the control group was taught by using Direct Instruction method.
E. Technique of Collecting Data
