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The table showed the pre-test score of experiment class and controlled class. The pre-test was given on the first meeting before giving the treatment and
based on the table 4.1, it can be seen that the average score of pre-test in experiment class was 56.647, the highest score of experiment class was 86 and the
lowest score of experiment class was 30. Meanwhile, the average score of pre-test of controlled class was 60.176
with the highest score of pre-test was 93 and the lowest score of pre-test was 40. Seeing the calculation on the table above, it can be concluded that the average
score of pre-test in controlled class was higher than the average score of pre-test in experiment class.
2. The Post-test Score
The post test was given in both of the two classes after the writer explained the material on the fourth meeting. The following table table 4.2
showed the comparison of students‟ post test scores between the experiment class and the controlled class.
The table consists of three columns, and the first column showed the students‟ identification number. The amount of students‟ identification number in
both experiment and controlled class is 68 students and each of the class has 34 students. The second column showed the post-test students in experiment class,
while the third column showed the post-test scores of students in controlled class. In order to make the table easy to understand, the writer presented the
table 4.2 on the next page.
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Table 4.2
The Students‟ Score of Post-test in Experiment Class VIII-D and Controlled Class VIII-C
Students Experiment Class
Controlled Class
1 83
70 2
100 73
3 73
76 4
53 76
5 60
63 6
96 66
7 63
63 8
83 50
9 86
83 10
90 66
11 83
86 12
66 86
13 90
90 14
53 90
15 83
93 16
86 66
17 86
40 18
73 76
19 76
73 20
50 73
21 83
70 22
76 80
23 86
43 24
66 66
25 90
56 26
86 73
27 86
86 28
66 66
29 56
53 30
100 63
31 73
86 32
53 73
33 73
76 34
86 73
∑
2613 2423
Mean 76.852941
71.264706 Minimum
50 40
Maximum 100
93 Median
83 73
