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CHAPTER III METHODOLOGY
3.1 Research Design
The writer used Classroom Action Research to conduct this research. Classroom action research designed to solve practical problems in the process of teaching and
learning especially in teaching vocabulary. The model of classroom action research used in this study is based on the model developed by Kemmis and Mc Taggart 1982.
There are four steps in this model of action research in the following: 1.
Planning 2.
Action 3.
Observation 4.
Reflection
3.2 Population and Sample
The population of this research is the 20152016 Fifth Grade students in SDN 067690, Pangkalan Masyhur, Medan Johor. The writer takes one class V A as an
sample for this research. It consists 34 students in the class. In this study, the writer used purposive sampling technique. This technique is done by taking the
subjectsample which is not based on strata, random or area but it was based on the consideration of a certain purpose. Arikunto 2006 : 13
Universitas Sumatera Utara
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3.3 Instrument of Collecting Data
In this observation, the writer used some instruments in collecting the data, they are; vocabulary test, observation, and diary notes. Arikunto 1993:121 said that
instrument is the equipment while the writer uses one or some methods during the observation.
3.3.1 Vocabulary Test
The vocabulary tests are used to assess student’s vocabulary. The vocabulary test consist of 20 items. All items of the topic has been discussed with the English
teacher.
3.3.2 Observation Sheet
Observation sheet is used to observe the social phenomenon. It can be done to know conditions, situations, activity, process, performance and behavior of the
research subject. In order to record what the writer see and observe, she just put checklist in the observation sheet.
3.3.3 Diary Notes
The writer can use diary note as feedback on particular teaching episode, or to gain an indication of the general class climate, or to assess the progress of an
individual student. Hopkins 1993:122 .
3.4 Procedure of Collecting Data
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