pre-test and post-test, the writer uses a formula to find the mean or the average know the result of both the experiment class and controlled class and also their
difference. To find out the difference of students score in using songs in teaching the
pronunciation the writer uses
songs
. After getting the data from the observation, pre-test and post-test, the writer uses a formula to find the mean or the average
score, as follow
1
.
to = ∑ x1
2
+ ∑ y2
2
N
1
+ N
2
N
1
+ N
2
-2 N
1
. N
2
M
1
= Mean Score of Experiment Class M
2
= Mean Score of Control Class ∑x1
2
= Sum of Square Deviation Score in Experiment Class ∑x2
2
= Sum of Square Deviation Score in Control Class N
1
= Number of Students of Experiment Class N
2
= Number of Students of Control Class
df = Degree of Freedom
1 Sudijono, Anas Drs., Pengantar statistic pendidikan, Jakarta : PT. Raja Grafindo
Perkasa, 2002, p.297
24
CHAPTER IV RESEARCH FINDINGS
A. Description of Data
To know the results of the tests pre-test and post-test the writer makes the table of students score from both classes experiment class and controlled class.
There are 5 items in the test, when students answered a question correctly, they would be given score 20, and the score for the whole items is 100. The writer
obtained after doing the research, as follow: The following table is the result of the students in Controlled Class
teaching pronunciation without using music songs.
Table 4.1
The Result of the Students in Controlled Class
No
Pre Test Post Test
Gain
1 48
52 4
2 68
76 8
3 48
56 8
4 68
72 4
5 60
68 8
6 56
72 16
7 72
76 4
8 56
60 4
9 72
80 8
10 56
56 11
48 52
4 12
56 64
8 13
68 72
4 14
64 76
12 15
60 76
16 16
68 72
4 17
52 56
4 18
48 56
8 19
60 72
12 20
72 76
4
1200 1340
140
It shows that the average score of the pre-test and post-test of Controlled Class is 60.00 for pre-test, 67.00 of post test and 7 for gain score.
The following table is the result of the students in Experiment Class teaching pronunciation using music songs.
Table 4.2 The Result of the Students in Experiment Class
No
Pre Test Post Test
Gain
1 76
80 4
2 60
72 12
3 48
56 8
4 72
84 12
5 76
80 4
6 68
72 4
7 76
84 8
8 68
68 9
64 72
8 10
72 76
4 11
68 76
8 12
64 72
8 13
56 80
24 14
60 84
24 15
60 76
16 16
68 76
8 17
56 72
16 18
52 76
24 19
56 80
24 20
56 72
16
1276 1508
232
The table above, shows that the average score of the pre-test and post-test of Experiment Class is 63.8 for pre-test, 75.4 of post test and 11.6 for gain score.
