CHAPTER IV RESEARCH FINDING AND DISCUSSION
This chapter presents the research finding and the discussion that include the description of the data, the hypothesis testing and discussion.
A. The Description of Data
In this section, the writer presented the students’ achievement taught by using authentic material and taught without using authentic material. The
researcher presented and analyzed the data through two kinds of tests, they were pre-test and post test. Those tests were conducted to the experimental group and
control group. The experimental group, which was treated by using authentic material, was class C. Meanwhile, the control group was class D that was taught
without using authentic material. The collected data were described in form of table. It included the table of the pre-test and post -test score both experimental
and control group.
1. Pre-Test and Post Test Score of Students in Experimental Group
Here is the description of the data that were gotten from the score of the students who got the treatment using authentic material. They were in
experimental group. The data showed in form of tables to ease to analyse.
49
Table 4.1 Pre-test score of experimental group
No. Subject
Score
1. A
70 2.
B 70
3. C
82 4.
D 72
5. E
72 6.
F 70
7. G
76 8.
H 74
9. I
74 10.
J 72
11. K
76 12.
L 76
13. M
70 14.
N 78
15. O
66 16.
P 68
17. Q
74 18.
R 68
19. S
66 20.
T 70
21. U
82 22.
V 78
23. W
68 24.
X 64
25. Y
70 26.
Z 74
27. AA
68 28.
AB 82
29. AC
72 30.
AD 80
31. AE
82 32.
AF 72
33. AG
78 34.
AH 68
Continued
35. AI
66 36.
AJ 70
37. AK
70
Total score 2688
The table above showed the students’ score in reading comprehension before taught using authentic material.
The next table contained the students’ score after being taught by using authentic material.
Table4.2 Post-Test Score of Experimental Group
No. Subject
Post-test score
1. A
68 2.
B 80
3. C
84 4.
D 80
5. E
74 6.
F 84
7. G
72 8.
H 66
9. I
76 10.
J 74
11. K
84 12.
L 82
13. M
76 14.
N 74
15. O
84 16.
P 88
17. Q
78 18.
R 88
19. S
84 20.
T 68
21. U
80 22.
V 74
23. W
72 24.
X 82
25. Y
86 26.
Z 76
27. AA
78 28.
AB 80
29. AC
84 30.
AD 74
31. AE
82 32.
AF 76
33. AG
76
Continuation
34. AH
82 35.
AI 70
36. AJ
84 37.
AK 84
Total score 2904
The tables above showed the pre test score and post-test score of experimental group. The total score of the pre-test of experimental group were
2688, while the total score of post-test were 2904. The above result showed that there was different score between pre-test and post-test sore of experimental group
about 216.
2. Pre-Test and Post Test Score of Students in Control group
The tables below described the data of students ’ score in reading
comprehension in control group. The students in this group did not get treatment using authentic material.
Table 4.3 Pre-Test Score of Control Group
No. Subject
Score
1. A
76 2.
B 62
3. C
60 4.
D 72
5. E
80 6.
F 68
7. G
82 8.
H 60
9. I
86 10.
J 74
11. K
70 12
L 62
13. M
82 14.
N 68
15. O
66
Continued
16. P
78 17.
Q 80
18. R
68 19.
S 74
20. T
72 21
U 60
22. V
78 23.
W 72
24. X
64 25.
Y 60
26. Z
78 27.
AA 82
28. AB
88 29.
AC 76
30. AD
78 31.
AE 60
32. AF
66 33.
AG 76
34. AH
72 35.
AI 82
36. AJ
80 37.
AK 66
Total score 2678
The table above showed the students’ score in reading comprehension before taught without using authentic material. While the next table was the
student’s score after taught without using authentic material.
Table 4.4 Post –test Score of Control Group
No. Subject
Score
1. A
84 2.
B 72
3. C
84 4.
D 84
5. E
84 6.
F 8 0
7. G
80 8.
H 84
9. I
86 10.
J 88
11. K
80 12
L 82
Continuation
Continued
13. M
72 14.
N 82
15. O
80 16.
P 72
17. Q
86 18.
R 80
19. S
86 20.
T 74
21 U
80 22.
V 82
23. W
68 24.
X 82
25. Y
78 26.
Z 78
27. AA
72 28.
AB 86
29. AC
82 30.
AD 70
31. AE
84 32.
AF 88
33. AG
76 34.
AH 70
35. AI
78 36.
AJ 78
37. AK
86
Total Score 2958
The tables above showed the pre-test and post-test result of control group. The total score of the pre-test were 2678. Meanwhile the total score in post-test
were 2958. From the result, it showed that there was different score between pre- test and post-test of control group about 280.
The next step for this study was analyzing the different score of the students taught by using authentic and taught without using authentic material.
The achieved scores in pre-test and post-test of both control group and experimental group were presented into tables as follows:
Continuation
Table 4.5 The Result of Experimental Group
Experimental Group Subject
Pre-test x
1
Post-testx
2
Xx
2
- x
1
X
2
A 70
68 -2
4
B 70
80 10
100
C 82
84 2
4
D 72
80 8
64
E 72
74 2
4
F
70 84
14 196
G
76 72
-4 16
H 74
66 -8
64
I 74
76 2
4
J
72 74
2 4
K 76
84 8
64
L 76
82 6
36
M 70
76 6
36
N 78
74 -4
16
O 66
84 18
324
P 68
88 20
400
Q 74
78 4
16
R
68 88
20 400
S
66 84
18 324
T 70
68 -2
4
U 82
80 -2
4
V
78 74
-4 16
W 68
72 4
16
X 64
82 18
324
Y 70
86 16
256
Z 74
76 2
4
AA 68
78 10
100
AB 82
80 -2
4
AC 72
84 12
144
AD
80 74
-6 36
AE 82
82
AF 72
76 4
16
AG 78
76 -2
4
AH
68 82
14 196
AI 66
70 4
16
Continued
AJ 70
84 14
196
AK 70
84 14
196
N=37
2688
2904
216
3608
Table 4.6 The Result of Control Group
Control Group Subject
Pre-testy
1
Post-test y
2
Yy
2
- y
1
Y
2
A
76 84
8 64
B 62
72 10
100
C 60
84 24
576
D 72
84 12
144
E
80 84
4 16
F 68
80 12
144
G 82
80 -2
4
H 60
84 24
576
I
86 86
J 74
88 14
196
K 70
80 10
100
L 62
82 20
400
M
82 72
-10 100
N 68
82 14
196
O 66
80 14
196
P 78
72 -6
36
Q
80 86
6 36
R 68
80 12
144
S 74
86 12
144
T 72
74 2
4
U
60 80
20 400
V 78
82 4
16
W 72
68 -4
16
X 64
82 18
324
Y 60
78 18
324
Z 78
78
AA 82
72 -10
100
AB 88
86 -2
4
AC
76 82
6 36
Continuation
Continued
AD 78
70 -8
64
AE 60
84 24
576
AF
66 88
22 484
AG 76
76
AH 72
70 -2
4
AI 82
78 -4
16
AJ
80 78
-2 4
AK 66
86 20
400
n=37
2678
2958
280
5944
The means of pre-test and post-test from experimental group and control group were:
1. Mean of pre-test score of experimental group
2
n y
x
i
=
37 2688
=72.648
2. Mean of post-test of experimental group
2 2
n y
x
=
37 2904
=78.486
3. Mean of pre-test of control group
1
n x
x
i
=
37 2678
=72,378
4. Mean of post-test of control group
1 2
n x
x
= 37
2958
= 79, 94
5. The mean of experimental group
X
1
=
1
n X
= 37
216 =5,837
Continuation
6. The mean of control group
X
2
=
2
n Y
= 37
280 =7,567
7. SS
1
=
1 2
2
n X
X
=3608 -
37 216
2
=3608 - 1260.973 =2347, 027
8. SS
2
=
2 2
2
n Y
Y
=5944 - 37
280
2
=5944 – 2118,918
=3825.082
t =
2 1
2 1
2 1
2 1
1 1
2
n n
n n
SS SS
X X
=
37
1 37
1 2
37 37
082 ,
3825 027
, 2347
567 ,
7 837
, 5
=
37 2
72 109
, 6172
73 ,
1
=
054 ,
723 ,
85 73
, 1
= 629
, 4
73 ,
1
= -
151 ,
2 73
, 1
= - 0,804
The minus mark here is not an algebra mark. Therefore, with t= -0,804, it could be read as there is difference 0,804.
To know the degree of freedom, we can find the result from the formula below:
Df = N
x +
N
y
- 2 = 37+ 37
– 2 = 72
The t table can be found from the table of “t” score. Because it cannot be
found the df 72, the df score that nearest with 72, that is 70 should be used. With df 70, it was gained the t table score in significance level 5; t table =2, 00.
B. Hypothesis testing
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