Mean Report of Cycle 2
79
organization, vocabulary, sentence structure, spelling, and capitalization and punctuation as follows.
Table 9 . Students’ Mean Value in Pre-test, Post-test 1, and Post-test 2
Score Pre-test
Post-test 1 Post-test 2
Mean Value
51.46 58.63
77.54 Table 9 showed an increase of the mean of the six aspects of writing
acquired from pre-test, post-test 1, and post-test 2. The results of the analysis of the
students’ scores in pre-test showed that the mean was 51.46, in post-test 1 the mean was 58.63, and in post-test 2 the mean was 77.54. The highest and lowest
scores also increased from time to time. The researcher also analyzed the percentage of writing score development.
It was divided into six category level, namely excellent, very good, good, fair, poor, and very poor for each cycle. The analysis results of each cycle were
presented below.
Table 10 . Improvement of Students’ Writing Scores in Pre-test, Post-test 1,
and Post-test 2 Interpretation
Category Total Number of Students
Pre-test Post-test 1
Post-test 2
Good Excellent
2 4
1 Very good
3 7
11 Good
9 11
25
Poor Fair
14 8
3 Poor
7 5
1 Very Poor
6 3
1
80
Table 10 showed that the students’ writing skills generally increased. In good category, the total number of students is 9 students in pre-test, 11 students in
post-test 1, and 25 students in post-test 2. The improvement was also in very good category.
From the table above, it could be seen that in pre-test the students who had good writing skills were only 14 students, whereas in post-test 2 there were 37
students. It meant that the students’ writing skills had improved significantly. Comparing the writing scores in pre-test and both post-
tests, the students’ writing scores increased because of the use of cooperative learning. The following
table presented the results of the students’ writing scores in the pre-test, post-test
1, and post-test 2.
Table 11. The Comparison of Students’ Writing Scores in Pre-test, Post-test
1, and Post-test 2
Score Pre-test
∑ Int
Score Post-t 1
∑
69.5 – 76.3
2 82.5
– 85.7 1
62.6 – 69.4
3 14
34.15 Good
79.2 – 82.4
11 37
88.10 55.7
– 62.5 9
75.9 – 79.1
25 48.8
– 55.6 14
72.6 – 75.8
3 41.9
– 48.7 7
27 65.85
Poor 69.3
– 72.5 1
5 11.90
35 – 41.8
6 66
– 69.2 1