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CHAPTER III RESEARCH METHODOLOGY
A. The Research Objectives
The objective of this research is to find out whether or not the use of Total Physical Response to enhance students’ vocabulary mastery is effective.
Besides, this research also provides information for using method of teaching vocabulary in order to give little contribution in the English vocabulary teaching.
The other objective of this research is to improve the effectiveness of teaching vocabulary. Besides, students are hoped to master English vocabulary easily.
B. The Research Method
In conducting the study, the writer uses experimental research. Fraenkel and Wallen 2000: 9 state that experimental research is the most conclusive and
scientific methods because the researcher actually establishes different treatments and then studies their effects. Other experts, Mason and Bramble 1997: 93
define experimental research as the kind of study in which the researcher is interested in learning about the effects of a certain conditions independent
variables and other conditions dependent variables in controlled setting. In addition, Johnson and Christensen 2000: 220 state that experimental research is
carried out within the context of an experiment. More, Johnson and Christensen also state that one or more variables are varied and the others are kept constant.
It can be concluded that experimental research is a systematic and scientific approach to research in which the researcher manipulates one or more
variables, controls and measures any change in other variables. The study uses this method as the most appropriate method in measuring
the effectiveness of Total Physical Response to enhance students’ vocabulary mastery by comparing two groups of students. One group is taught using Total
Physical Response, while other group is taught using Grammar Translation
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Method. In the end of the study, the result of the study from two groups will be compared. Furthermore, this methodology of research is discussed as follows:
C. The Research Setting and Time
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