The Result of Post test
P = ── X 100 N
1 P= X 100
29 P= 3.44
From that calculation, it is known the percentage of students passing KKM is only 3.44, there is only one student passing KKM
from 29 students, it can be said that students’ vocabulary mastery is very
low. Below is the chart of students’scores in pre test
After scoring, pre test, the writer gave the students post test 1, then calculated the score, it was to know whether any improvement or not
between pre test and post test 1. In this test, there were 15 students passing KKM.
In calculating the student’s percentage passing KKM, here, the writer still uses the same formula as in pre test.
5 10
15 20
25 30
KKM KKM 75 KKM The number of
students getting KKM
The number of students getting KKM
75
The number of students getting KKM
F P = ── X 100
N
15 P= X 100
29 P= 51.72
Below is the chart of students’ scores in post test 1
It is known that, the students’ percentage in post test 1 is better than in
pre test. Later, the writer calculated the percentage of students’ improvement between pre test and post test1.
y1 - y P =
──── X 100 y
74 – 54.4
2 4
6 8
10 12
14
KKM KKM 75
KKM The number of students
getting KKM The number of students
getting KKM 75 The number of students
getting KKM
P = ───────── X 100
54.4 19.6
P = ──── X 100
54.4
P = 36
Here, the writer sees that the improveme nt of students’ percentage
is 36 The next step was calculating the percentage of students passing
KKM in post test 2. In this test, there were 25 students could reach KKM. F
P = ── X 100 N
25 P = ── X 100
29
P = 86.20
Below is the chart of students’ scores in post test 2.
After, calculating the percentage of students passing KKM in post test 2, the next step, the
writer calculated the percentage of students’ improvement between pre test and post test 2.
y2 - y P =
──── X 100 y
84 – 54.4
P = ───────── X 100
54.4 29.6
P = ──── X 100
54.4 P = 54.41
It shows the percentage of students’ improvement from pre test to post test 2 is 54.41, there are 25 students passing KKM while the rests
are failed. In pre test the number of students passing the KKM was only
5 10
15 20
25
KKM KKM 75
KKM The number of students
getting KKM The number of students
getting KKM 75 The number of students
getting KKM
1 student and the percentage was 34.48 , meanwhile, in the post test 2 there were 25 students passing KKM and the percentage was 86.20.