39
CHAPTER III RESEARCH METHODOLOGY
A. Research Design
In this research, the researcher used qualitative research. Qualitative research is a research that produces descriptive data in the form of written words or oral from
the subject and its behavior that can be observed, therefore the goal of the research is an individual understanding and its background completely.
55
Qualitative research is naturalistic research method because the research did on natural
setting.
56
It means that this research is describing how to process of student’s
vocabulary especially using song, it should appropriate with syllabus of the Students at Second Semester of The Eighth Grade where the students should be
able to do practice vocabulary mastery.
By this qualitative research, the researcher focused on the teaching and learning vocabulary process through song at the second semester of the eight grade of SMP
PGRI 6 Bandar Lampung academic year 20152016.
B. Research Subject
In this research the researcher used purposive sampling technique. According to Arikunto, purposive sampling technique is sampling technique which is done
55
Ag Bambang Setiyadi. Metode Penelitian Untuk Penelitian Bahasa Asing Yogyakarta: Graha Ilmu, 2006, p.219
56
Sugiono.Metode Penelitian Kuantitatif Kualitatif dan RD Bandung : Alfabeta, 2012, p.7
40 because limited time and finding.
57
According to Marguerite et.al, purposive sampling technique is a common procedure used in qualitative research that
identifies key informants or person who have specific knowledge about the topic being studied. The type of purposive sampling that a researcher may decide to use
depends on the purpose of the study.
58
It means in this research, researcher choose the subject according to the need and purpose of the research.
In this research, the researcher used VIII F students to the second semester of the
eighth grade of SMP PGRI 6 Bandar Lampung Academic Year of 20152016. There are six classes which consist of 226 students. In this research, researcher
used the data from VIII F class at the second semester. The researcher took one class as the sample of this research and the data obtained from the students of
class VIII F consists of 40 students as the sample, it was based on the data of students’ achievement that has the lowest score for all classes.
C. Data Collecting Technique
Kategori