D. Research Instrument
The research instrument that the writer uses to collect data is test. The test is divided into two parts: pre-test, that is given to both experimental and controlled class
before treatment, and post-test, that is given to both classes after the treatment. The test have 30 questions about vocabularies around
students’ life that focus on noun and adjective.
Before the test is administered, the reliability and the validity of the test will be analyzed to find out whether the test is good to be used or not.
E. Technique of Collecting Data
Collecting data is the most important step in conducting the research. The types of test that the writer uses are multiple choice, matching task and picture cued task.
The questions of the test are about things around students’ life, and those questions
are tested to another group, which is not including as sample of the research, to see the reliability and validity of instrument. The writer analyzes the result of it by using
Anates. Then, the writer collects 30 questions for pre-test, and the writer randomizes those questions for post-test. The writer gives the valid questions to experimental and
controlled class for the pre-test and post-test. By this activity, the writer gets the scores about stude
nts’ vocabulary mastery that will be analyzed. In this research, the writer uses some steps for experimental class, as the
following: Day-1
a. Teacher asks student to make a group consist 4-6 people of each group
b. Teacher introduces picture storybook for the first time to experiment group.
Teacher reads the title, the writers and the publisher of the picture storybook. c.
Teacher shows the cover and asks students to make a simple prediction about the story that will be read by the teacher.
d. Some groups will delegate a representation of them to write their prediction on
the white board.
e. Teacher shares picture storybook with the tittle “The Present”
4
for each group. f.
Teacher reads the picture storybook. g.
Teacher asks each group of students to make moral value of the story. h.
Teacher teaches about noun and adjective, i.
Teacher asks students to underline noun and adjective in the picture storybook.
Day-2 a.
Students gather with their group. b.
Teacher introduces the second picture storybook to experiment group. Teacher reads the title, the writers and the publisher.
c. Teacher shows the cover and asks each group to make a simple prediction about
the story that would be read by some students. d.
Some students write their prediction on the whiteboard. The group, that writes their prediction, they will get score.
e. Teacher shares picture storybook with the tittle “The New Supermarket”
5
for each group.
f. Teacher points a student to read the picture storybook, then the student will
point other student to continue reading. The teacher takes a note of vocabularies which are mispronounced by students.
g. Teacher asks students to make moral value of the story. Then, some students
utter the moral value of the story. h.
Teacher asks students to underline noun and adjective in the second picture storybook 2 pages of each group.
i. Teacher asks students to decide a representative of their group to present their
work to other groups.
4
Erna Fitrini and Ratih Sumiratingratri, English is Fun, Bekasi: Cahaya Pustaka Raga, 2009, pp. 1-17.
5
Ibid., pp. 18-33.
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