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The sources of the data in this research were: 1. Event
It was all the action of the teaching and learning process using Play DVD School which was done in two cycles. It also included the activity of doing tasks
and exercises.
2. Documents They were books and teaching materials used by the teacher in teaching
English. Other documents such as students’ previous test result and works were also taken and analyzed.
3. Information Data Information data means all the data that were taken from interview and
questionnaire.
F. Technique of Collecting Data
There were two kinds of data, quantitative and qualitative, that were needed for the research. The researcher collected quantitative data by giving tests.
The researcher gave the students a pre-test and a post-test in order to know their vocabulary mastery before and after being taught using Play DVD School. It was
to know whether the students’ vocabulary mastery improved or not. The questions of the test were based on the blue print.
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The qualitative data were collected by doing observation, interview, and giving questionnaire.
1. Observation In observation, the researcher asked the collaborator to observe the process
of the teaching and learning process done by the researcher and the students. The collaborator watched and noted all the activities happened during the process. He
made the report in the form of field note.
2. Interview The researcher interviewed the students and collaborator about their
personal perception, experiences, opinion, and ideas related to the teaching and learning process in the class.
3. Questionnaire To get more comprehensive data, the researcher also gave the students
questionnaire to fill in. The researchers used closed-ended items questionnaire as suggested by Burns 2010: 82. These are items which there is limited choice of
answer. The researcher gave the students a statement and they should give their opinion by ticking the Yes or No box.
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G. Technique of Analyzing Data
To analyze the quantitative data, the researcher applied a descriptive statistics, comprising the highest and lowest score and finding the mean. To
measure the students’ mastery on the vocabulary test, the researcher used the percentage correlation formula as follow:
Where: S
= the students’ mastery in R
= the students’ right answer N
= the maximum number of the whole answer SM
= Standard Mark 100
After analyzing the scores of the written test, the researcher compared the mean of the pre-test and of the post-test result by using the formula:
∑ 葈
Where: ᰀ
= mean the score SX
= the total score n
= number of students.
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The qualitative data were analyzed by using Constant Comparative Method as suggested by Strauss and Glasser in Lincoln and Guba 1985:339.
Constant Comparative Method or CCM is analyzing the data by comparing one category to another constantly. They say that in general, the data analysis proceses
include data reduction, data classification, data synthetis, and ended by action hyphotesis. The following is a brief step related to the statement above;
1. Comparing incidents applicable to each category.
In this step all incidents occurred in the data will be coded into as many as categories as possible.
2. Integrating categories and their properties.
The researcher will begin to note the relationship among the concept. For these relationships to emerge, however, it will be necessary for the researcher
to have noticed all the concepts. 3.
Delimiting the theory. It refers to the theory and category reduction from the result of two previous
steps. As the patterns of relationship among concepts become clearer, the researcher ignores some of the concept initially noted but evidently irrelevant
to the inquiry. When the numbers of categories are reduced, the theory itself becomes simpler.
4. Writing the theory.
This is the final step that the researcher is making the final judgment of his findings and putting it into words to be shared with other people.
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CHAPTER IV RESEARCH RESULT AND DISCUSSION
