F. The Procedure of the Research
The procedure of the research consisted of some steps as the following: First, observing the class condition and population of SMP Pelita YNH
Sukabumi in the first grade. And took some supporting data for the research such as paper, pencil tool etc.
Second, taking sampling from the population of the seventh grade students of the school. The samples were class VII-A and VII-B, with 35 students in each
class. The first class was the experimental class and the other was the control class.
Third, the testing of pre-test to the student in two classes. In the experimental class, the students‟ pre-test scores were used as the basic score
before students learnt descriptive texts through mind mapping Fourth, it was the acting. It conducted the teaching learning process in
class by herself. She conducted the same materials which was descriptive texts to the two classes, but treated them with two different methods. The experiment
class was taught by using mind mapping, and the controlled class was taught by using explanatory method as the teacher usually adopted.
Fifth, the testing of post-test to the students in the two classes the experiment class and the controlled class by using the same format of post-test.
Sixth, collecting data from the pre-test and post-test and then calculate it using the data gained for students answer of T test to figure out the result or
conclusion of the research. The last, it was analyzing it, began from observing until getting the result
of research.
CHAPTER IV FINDING AND INTERPRATATION
In this chapter is presented the finding and interpretation. It consists of the data description, the data analysis, and the interpretation of data analysis.
A. Finding
1. The Data Description
As mentioned before, this study used the instrument of test to measure students‟ achievement in reading comprehension of descriptive test. In this texts,
there was two parts of tests; those are pre-test and post-test. The two tests were examined in the controlled class and the experimental class as well. The
experimental class was the class in which descriptive texts were taught by using mind mapping technique. Meanwhile the control class is the class in which the
teacher used explanatory method in teaching descriptive text. The experimental and the control class were in different classes.
To get the research findings, first the writer scored both pre-test and post- test of the students‟ answer sheet from the experimental class and the control
class. Started from the experimental class; the number of students who followed the test was thirty five students. They are as below:
Table 4.1 The Scores of Pre-test and Post-test of Experimental Class
No Pre-test
1 Post-test
2 Gained score
X
1. 55
70 15
2. 55
65 10
3. 50
85 35
4. 50
80 30
5. 40
60 20
6. 50
80 30
7. 45
75 30
8. 45
60 15
9. 50
85 35
10. 40
65 25
11. 50
60 10
12. 45
75 30
13. 50
75 25
14. 60
80 20
15. 40
75 35
16. 55
75 20
17. 50
70 20
18. 40
65 25
19. 35
50 15
20. 50
75 25
21. 45
70 25
22. 55
60 5
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