62 the previous chapter, the students of experimental group are considered as the
students of average ability. From the data of the first rater, we can classify the students into three groups. They are poor ability, average ability and good ability.
One student is included in poor ability, twenty-eight students are included in average ability and the others are included in good ability. The highest score from
the first rater is 82 and the lowest score is 59. From the second rater, we can classify the students into two groups. They
are average ability group and good ability. There are twenty-four students are included in average ability and the others are included in good ability. The highest
score from the second rater is 83 and the lowest score is 61. Meanwhile, from the third rater data, we can classify
the students‟ ability into two groups too. They are average ability and good ability group. From the third rater, there are twenty-
seven students from the average ability group and five students from the good ability group. The highest score from this rater is 82 and the lowest one is 61.
4.5.1.2 Control Group using Songs
The pre- test mean score of control group using songs, 65, shows that the students‟
initial ability is included into the average ability students. Four students are considered having poor ability in pronunciation, nineteen students are considered
having average ability in pronunciation, and the others are considered having
good ability in pronunciation.
63
Table 4.3 Pre-test Score of Control Group using Songs.
No Students’ Code
Score Average
Rater 1 Rater 2
Rater 3
1 C1-01
63 63
61 62
2 C1-02
76 77
75 76
3 C1-03
63 64
62 63
4 C1-04
73 73
72 73
5 C1-05
73 75
73 74
6 C1-06
71 72
70 71
7 C1-07
52 53
54 53
8 C1-08
55 56
55 55
9 C1-09
65 66
65 65
10 C1-10
63 64
63 63
11 C1-11
71 72
71 71
12 C1-12
71 72
70 71
13 C1-13
65 67
65 66
14 C1-14
73 75
73 74
15 C1-15
63 64
63 63
16 C1-16
57 58
56 57
17 C1-17
63 64
63 63
18 C1-18
73 75
73 74
19 C1-19
63 64
63 63
20 C1-20
65 67
65 66
21 C1-21
60 61
60 60
22 C1-22
73 74
73 73
23 C1-23
63 64
63 63
24 C1-24
55 53
57 55
25 C1-25
65 67
65 66
26 C1-26
60 61
60 60
27 C1-27
63 63
64 63
28 C1-28
70 71
67 69
29 C1-29
65 66
65 65
Mean 65
From the data above, we can see that the average score of the three raters for control group using songs is 65. This score implies that the students of the
control group using songs are included into the average ability. From the first rater, we can classify the students score into three groups. They are poor
pronunciation ability, average pronunciation ability and good pronunciation
64 ability. Based on the data above, there are four students who are considered
having poor pronunciation ability, nineteen students for average pronunciation ability and six students for good pronunciation ability. The highest score from the
first rater is 76 and the lowest score is 52. From the second rater, we can classify the students‟ ability into three
groups. They are poor pronunciation ability, average pronunciation ability and good pronunciation ability. The data above shows us there are four students
included into poor ability group, sixteen students for average ability group and nine students that are included into good ability students. The highest score from
this rater is 77 and the lowest score of this group is 53. Same with the first and the second rater, we can classify the students‟
ability into three groups too. They are poor ability, average ability and good ability. In the poor ability group, we can find four students are included into this
group, twenty students for average ability score and five students for good ability group. Meanwhile, the highest score from the third rater is 75 and the lowest score
is 54. Overall, based on the mean score of the average score from the three raters
we can see that students‟ scores are varied. The highest score, 76, is included into good ability students, and the lowest score, 53, is included into poor ability
students
65
4.5.1.3 Control Group using Fidel Charts
