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2.   Sample
The samples in  this research was two clasess,  one as the experimental class and the other one as the control class. They are X AP and X TKJ. There are 20 students in X
AP AND TKJ. Therefore, there were 40 students in this sample.
3.   Sampling Technique
The  sample  in  this  research  choosen  randomly  by  using  cluster  random  sampling technique because the population are in group and homogenous
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. The sample are two clasess.  They  was  taken  randomly  by  lottery,  in  which  the  name  of  each  class  was
written  on  same  pieces  of  paper  and  it  taken  only  two  pieces  of  paper.  The  clasess that taken the samples of research.
C. Research Variable
There are two variables in this research, they are: a. The independent variable of this research is creative story game X
b. The dependent variable of this research is students’ speaking ability Y
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Sugiyono, Metode Penelitian Pendidikan Kuantitatif, Alfabeta Bandung, 2010, P.118.
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D. Operational Definition of Variable
1.   Independent Variable X
Creative  story  game  is  a  game  that  require  students  to  tell  the  story  according  from
their imagination as creative as possible. 2.   Dependent Variable Y
Students’  speaking  ability  is  their  ability  to  express  their  ideas,  feelings,  opinions, experiences  and  the  four  English  components  with  good  pronunciation,  fluency,
vocabulary, accuracy of English grammar and comprehension.
E. Data Collecting Technique
In  this  research  the  writer  will  use  true-experimental  design  and  the  data  which collected from:
1. Pre-test,  it  was
done to  know students’ speaking ability before do post-test. The  test  was  done  orally  by  asking  the  students  to  come  forward  in  groups.
The writer was given some topics and the students combine and tell about the topics  in  front  of  the  class.  Then,  writer  record  their  performance  and
analyzed  them.  The  scoring  based  on  the  pronunciation,  fluency,  vocabulary and comprehension. The result of the test was write in the scoring coloumn on
the paper.
53 2.
Post- test, it was be done to know students’ speaking ability  after they  were
taught  using creative story game. The system and degree of difficulty of post test was same as pre-
test, because both of them used to measure the students’ speaking ability after creative story game was applied.
F. Research Instrument
In this research, the instrument was test. The test was in form of oral test. The writer asked  the  students  to  perform  their  story  telling.  The  purpose  of  the  oral  test  to
measure their speaking ability. 1.   Pre-test instrument
a.   The teacher provides some topics of narative -   Cinderella
-   Snow White -   Pinnoccio
b.   The students tell a story
2.   Post-test instrument a.   The teacher provides some topics of narative
54 -   Jaka and the Beanstalk
-   Sleeping beauty -   The Goose with the Golden Eggs
b.   The students tell a story
G. Research Procedure
The writer was conducted the research with the following procedures: 1.   Determining the subject
In  this  step,  the  writer  will  choose  the  tenth  grade  of  SMK  Taruna  Bandar Lampung  as  the  subject  of  the  research.  One  class  as  experimental  class  with
creative story game and another one as control class with discussion technique 2.   Determining the population and sample
3.   Selecting the material that will be given 4.   Presenting the pre-test and find out the result of pre-test
5.   Conducting the post-test and score the result 6.   Analyzing the result of the test
7.   Drawing the conclusion based on the data
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H. Process of Treatment