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a. Pre-test and Post-test 1
27.709 21190.1
665 24
24 24 1 27.709
21190.1 18426.04 552
27.709 √5.007
27.709 2.238
= 12.381 Because t
o
12.381 is higher than t
t
2.064 or t
o
t
t
, it can be concluded that there is a significant difference between Pre-test and Post-test 1.
The mean of Post-test 1 was also improved from the mean of Pre-test. The total numbers of the students were 24 and the means score was from the total
score divided by the total numbers of the students.
The mean of Pre-test The mean of Post-test 1
ᰀ =
∑ 葈
=
즘 .즘
= 38.87 ᰀ =
∑ 葈
=
�Ė즘Ƽ.즘
= 66.58
From the result of the mean score, it shows that the mean of Pre-test is higher than the mean of Post-test 1. Therefore, it can be concluded that there is an
improvement in students’ vocabulary mastery.
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b. Post-test 1 and Post-test 2
19.67 11444.2
472.1 24
24 24 1 19.67
11444.2 9286.60 552
19.67 √3.909
19.67 1.977
= 9.949
Because t
o
9.949 is higher that t
t
2.064 or t
o
t
t,
it can be concluded that there is a significant difference between Post-test 1 and Post-test 2.
The mean of Post-test 2 was also improved from the mean of Post-test 1. The total numbers of the students were 24 and the means score was from the total
score divided by 24. The mean of Post-test 1
The mean of Post-test 2
ᰀ =
∑ 葈
=
�Ė즘Ƽ.즘
= 66.58 ᰀ =
∑ 葈
=
Ƽ
= 86.25
From the result of the mean score, it shows that the mean of Post-test 2 is higher than the mean of Post-test 1. Therefore, it can be concluded that there is an
improvement in students’ vocabulary mastery.
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Based on the result of the t-test for non independent score, the t-computation in Cycle 1 12.381 is higher than the table 2.064 and in Cycle 2
the t-computation 9.949 is higher than the t-table 2.064 at the level of significance α 0.05, so t
o
t
t
, it can be concluded that there is a significant difference between them. The mean score is improved from 65.58 in Post-test 1 to
86.25 in Post-test 2. Therefore, it can be concluded that Play School DVD can improve students’ vocabulary mastery at the first graders of Kalam Kudus
Christian primary School.
2. The Strengths and Weaknesses of Play School DVD when It Is Applied to Improve the Students’ Vocabulary Mastery.
To find the answer for the strengths and weaknesses of Play School DVD when it is applied to improve the students’ vocabulary mastery, the researcher
used CCM Constant Comparative Method to analyze the findings data. The process of CCM can be seen in the diagram below.
Figure 4.2 The Process of CCM
data coding
categorizing data
coding categorizing
eliminating data
coding categorizing
eliminating conclusion
data coding
categorizing eliminating
data coding
categorizing
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The data for this research were collected from several sources such as: field notes, interview, questionnaire, and photographs. After all the data were
collected, the researcher read and analyzed the data. After the researcher read and analyzed the data, she found the phenomenon that that always appeared in the
data. The researcher then coded the entire phenomenon and put the data based on categories. After that, the researcher analyzed which data were suitable with the
purpose of the research and which ones were not. The suitable ones were taken and the ones that were not suitable were eliminated.
Table 4.22 Table of Categories No
Categories Data
1. Effective and
helpful media a.
Karena ada filmnya dan bisa ngerti Interview of student 1
b. Play School DVD dapat menolong saya
mengerti arti kata, spelling, pengucapan, dan menyusun kalimat. The result of the students’
interview c.
She plays the DVD again and asks the students to raise their hand every time they see or hear a
kind of animal. The students are so enthusiastic to say the name of each animal Field note of
Cycle 1, meeting 1. d.
The teacher asks the student to listen to the pronunciation and imitate it. Students learn a
lot of words related to parts of the body Field note of Cycle 1, meeting 2.
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2. Interesting media
e. Then the teacher rewinds the DVD and asks
the students to listen to how the word is pronounced in correct way. The students then
repeat after it. The students are so enthusiastic to say the name of fruit and vegetable Field
note of Cycle 1, meeting 3 f.
21 students 87.5 agreed that Play School DVD can help them understand the meaning of
words Result of questionnaire g.
24 students 100 agreed that Play School DVD can help them to pronounce certain
words correctly Result of questionnaire h.
19 students 79.1 agreed that the DVD can help them in spelling words Result of
questionnaire i.
22 students 91.6 agreed that the DVD can help them to make a simple sentence.
j. Absolutely it does. The steps and process in
Play School DVD helps the students to get a clear picture of real English in the term of
meaning, spelling, pronunciation, and the use of word because they get a model from the
native speakers Collaborator’s interview
a. Almost all the students who were interviewed
said that they liked when the teacher taught English using Play School DVD The result of
interview.
b. All the students seem interested in watching
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3.
4. Motivated
Learning real English
the DVD Field note of cycle 1, meeting 1. c.
The DVD is so attractive that makes the students watch it with great enthusiasm.
Sometimes they laugh, sometimes they sing Field note of cycle 1, meeting 2.
d. The
students are
watching the
DVD enthusiastically. The DVD is successful to get
the students’ attention Field note of cycle 1, meeting 3.
e. 24 students 100 said that they liked
studying English using Play School DVD Result of questionnaire
f. 18 students 75 hoped that the teacher
would teach them using the Play School DVD in
following meetings
Result of
questionnaire.
a. The students look at the pictures that shown by
the teacher and say the name of the animal, even the teacher asks them not to do that. They
are so enthusiastic. Field note of Cycle 2, meeting 1
b. The teacher asks the students to listen to the
pronunciation and asks them to imitate it. Almost all of the students do this activity
Field not of Cycle 2, meeting 2. c.
Moreover, the DVD
can trigger
the students’ curiosity that can make them active
in the lesson Collaborator’s interview. a.
There are two people who are talking about carnivore and herbivore animals Field note of
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5.
6. Boring
Passive teacher Cycle 1, meeting 1.
b. On the DVD, there are two people do buying
and selling activity in the fruit stall Field note of Cycle 1, meeting 3.
c. Then the teacher rewinds the DVD and asks
the students to listen to how the word is pronounced in correct way Field note Cycle 1,
meeting 3. d.
Students can learn real English from Play School DVD. From Play School DVD, the
students get a good and standard model of English
directly from
native speakers
Collaborator’s Interview.
a. Some students are busy with their own
activities. They do not watch the DVD Field note Cycle 1, meeting 2.
b. There are some students who are not paying
attention to the DVD. They put their heads on the table seem that they are sleepy Field note
Cycle 1, meeting 4. c.
Kadang-kadang pakai Play School, kadang- kadang tidak. Biar tidak bosan Student’s
interview.
a. When the students watch the DVD, the teacher
sits on her chair and watches the DVD too Field note Cycle 1, meeting 1.
b. The teacher stands on the back side of the class
while the DVD is playing Field note Cycle 1, meeting 3.
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c. Iya, karena cuma nonton, tidak dijelaskan Ms.
Arsidi Student’s interview. d.
Ms. Arsidi jadi jarang menerangkan Student’s interview.
e. Teachers have to be careful when using the
DVD because they can be passive and leave all their parts to the DVD Collaborator’s
interview
Having those categories, the researcher analyzed and made a conclusion about the strength and weaknesses of Play School DVD when it is applied in
teaching vocabulary. The results are as follows:
a. The strengths when Play School DVD is applied in teaching vocabulary.
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