CHAPTER IV RESEARCH FINDINGS AND INTERPRETATION
A. The Description of Data
The data were collected from students ‟ pre-test and post-test from two
classes, experiment class and control class. The data is described into two tables. The achievements of students in the experiment class were presented in Table 3.1
and the achievements of students in the control class were presented in Table 3.2. Table 3.1 consists of four columns, the first column shows the number of
students in the experiment class X, the second column shows the pre-test scores, the third column shows the post-test scores and the last column shows the
gained scores which are resulted from the post-test score is subtracted the pre-test score.
Table 3.1 The Students’ Scores of Experiment Class
Using Student Teams-Achievement Division STAD technique Students
X Pre-test Score
Post-test Score Gained d Score
Post Test – Pre Test
1 65
85 20
2 55
90 35
3 50
85 35
4 55
70 15
5 45
75 30
6 65
85 20
7 45
70 25
8 45
70 25
9 40
55 15
10 50
80 30
11 50
75 25
12 60
85 25
13 65
90 25
14 50
60 10
15 40
60 20
16 45
60 15
17 45
50 5
18 45
55 10
19 40
70 30
20 40
75 35
∑ 995
1445 450
Mean 49.75
72.25 22.5
The Table 3.1 above describes that the lowest score in the pre-test is 40 and the highest score is 65. Meanwhile, the lowest score in the post-test is 50 and
the highest score is 90. Therefore, it can be summarized that the lowest and the highest scores in post-test is higher than in pre-test.
Table 3.2 consists of four columns, the first column shows the number of students in the control class Y, the second column shows the pre-test scores, the
third column shows the post-test scores and the last column shows the gained scores which are resulted from the post-test score is subtracted the pre-test score.
Table 3.2 The Students’ Scores of Control Class
Using Grammar Translation Method GTM Students
Y Pre-test Score
Post-test Score Gained d Score
Post Test – Pre Test
1 60
65 5
2 45
55 10
3 45
50 5
4 40
50 10
5 35
55 20
6 35
55 20
Kategori