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B. Research Problem
Based on the research background, the research problem in this research is formulated as follows.
To what extent does the use of Student Teams-Achievement Divisions STAD enhance the students vocabulary mastery?
C. Problem Limitation
The VII C students of SMP Negeri 6 Yogyakarta ’s problem was on their
vocabulary mastery. Thus, in this research the writer focused on to what extent the use of Student Teams-Achievement Divisions STAD enhanced the vocabulary
mastery of the VII C students of SMP Negeri 6 Yogyakarta. The participants of this research were the VII C students of SMP Negeri 6 Yogyakarta. There were
thirty-four students in that class. This research was conducted at SMP 6 Yogyakarta
.
D. Research Objective
This research was conducted to analyze to what extent the use of Student Teams-Achievement Divisions STAD enhanced the VII C students of SMP
Negeri 6 Yogyakarta ’s vocabulary mastery. By applying Student Teams-
Achievement Divisions STAD, the students were expected to enhance their vocabulary and they could cooperate with the other students to learn English
together.
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E. Research Benefits
This research is conducted to bring benefits to the English teachers, other researchers and the readers. This research is expected to help the English teacher
to find out the results of the implementation of Student Teams-Achievement Divisions STAD to teach vocabulary to the VII C students of SMP Negeri 6
Yogyakarta. This researcher is expected to help the English teacher of SMP
Negeri 6 Yogyakarta to find the suitable teaching method which could be used to
teach vocabulary to the students. This research is expected to help other researchers who are interested to talk about the similar topic. Thus, this research
could be used as a reference which could help other researches to develop their researches. This research is also expected to help the readers to enlarge the
readers’ understanding about the use of Student Teams-Achievement Divisions STAD to teach vocabulary to English as a Foreign Language EFL student.
F. Definition of Terms