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3.7 Procedure of Collecting Data
In this research, the data of students’ mastery of vocabulary are got by used a test which is consist 44 multiple choice items and 6 essays. This test has
tested before because of it the validity, discriminating power, level difficulty, and the reliability of the instrument are guarantee see appendix 7. Before the writer
conducted the research, she gave the pre-test to the experimental group and the controlled group to measure the students’ ability in mastery vocabulary before the
treatment was given by the writer. After that she conducted the different treatments between those groups, she used Direct Method for the experimental
group and Conventional Method for the controlled group see appendix 15. Then, she gave the post-test to measure the result and the improvement after doing the
treatment. Beside that the writer also conducted formative test twice, in each two weeks.
3.7.1 Pre-Test
The first pre-test was conducted on May 5
th
2009 to 40 students of X-4 SMA Negeri 6 Semarang as the experimental group and 38 students of X-2 SMA
Negeri 6 Semarang as the controlled group. The writer gave students 90 minutes to finish the test. After that, the writer collected the pre-test which had been
answered by students to analyze their scores. The purpose to conducting the pre- test was to know how far the students’ ability in vocabulary mastery before they
were given the actions. The result of the pre-test was very important in measuring their improvement after doing the actions.
3.7.2 Formative Test
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Formative tests were conducted on May 12
th
2009 and May 26
th
2009 to 40 students of X-4 SMA Negeri 6 Semarang as the experimental group and 38
students of X-2 SMA Negeri 6 Semarang as the controlled group. The writer gave students 90 minutes to finish the test. Then, the writer collected the tests that had
been answered by students to analyze their scores see appendix. In taught the lesson, the writer gave the material of the lesson based on the KTSP see appendix
1, Syllabus see appendix 2, and Lesson Plan or RPP see appendix 3. In first week, the writer taught about recount by using puppets see
appendix 3 and narrative by using comic of “Goldilocks Story” that taken from http:www.british council.orglearnenglish see appendix 3. The writer made the
competition atmosphere in experimental class by using system scoring, beside that she also gave the prize to the student or group that had the highest score in class.
The writer made students to discuss, speak, and keep thinking in English about everything that related to the topic of the lesson and about what they saw in the
pictures that was showed by the writer. Beside that in the controlled groups, the writer conducted the same activities but in this class, she used the conventional
method where translation was not disallowed different like in the experimental groups that only used English without translation. After that the writer conducted
the first formative test see appendix 8. In the second week, the writer taught about narrative used movie and
procedure used picture of origami see appendix 3. She used the narrative movie that titled Kungfu Panda. After students saw the movie, they should discuss in
group and presented the result of their discussion in front of class. Beside that, the
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writer also used the role play that able to motivate students to improve their skill in communication using English vocabulary as much as possible see appendix 3.
Then, the writer conducted the second formative test see appendix 10.
3.7.3 Post-Test
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