28 the research instruments helped the students to express their responses about the
use of mind mapping based on their experiences. The researcher also used the peer-observer to conduct an observation in the class. All of the instruments gave
deep information to answer both the research questions.
B. Research Setting
This research took place in SMP Negeri 15 Yogyakarta. The research was done in class 7J. The researcher chose SMP Negeri 15 Yogyakarta and VII J to
conduct this research because the researcher did the teaching practice Program Pengalaman LapanganPPL there. Therefore the researcher knew about the
students‟ problems in learning English, especially in writing skill. In order to answer the research questions, the researcher distributed questionnaires. The
researcher also observed the students together with the peer-observer to know about the
students‟ responses through their behavior. After that, the researcher interviewed some students and the English teacher to know the
students‟ responses and achievement to the use of mind mapping.
The questionnaires were distributed on May 28
th
2016 at 09.35 am. The researcher chose to distribute the questionnaires on that day because it was the last
day for the researcher to teach the students. By distributing the questionnaires on the last day, the students could answer all of the questions which were based on
their experiences in using mind mapping. The researcher conducted the interview into two sections. The first section was the interview with the students which was
29 held after the students finished answering the questionnaires. The second section
was the interview with the teacher which was held on June 16
th
, 2016.
C. Research Participants
The respondents for this research were the students from SMP Negeri 15 Yogyakarta class 7J. The researcher only used one class which had an experience
in using mind mapping technique. The researcher only chose class 7J because of this class fulfilled the criteria that the researcher had. The researcher had three
criteria that should be fulfilled by the respondents. The three criteria were students of 7J had already experienced using mind mapping technique, the researcher knew
students‟ characteristic and all of the students were cooperative. The number of respondents for each instrument questionnaire and
interview was different. The respondents for the questionnaire were thirty students and for the interview the researcher only asked five respondents. The
researcher chose all of the students of 7J to be the respondents to answer the questions in the questionnaires. The researcher chose them because all of those
students had not been really familiar with mind mapping at the first time and then they experienced it. Based on that fact, the respondents answered the
questionnaire based on their experiences when they used mind mapping. The information helped the researcher to know their ability in organizing their ideas.
The respondents for the interview were chosen by the researcher based on the scores of their tasks. Some of them were chosen from the highest, lowest
, and the
middle score. The aim of this activity was to know students‟ responses based on
30 their experiences on the use of mind mapping before and after using mind
mapping based on their level of understanding. The students who became the research participants agreed to be interviewed and they also wanted to share their
experiences in using mind mapping. The researcher also conducted an interview session with the English
teacher of 7J. In the interview, the researcher got the deeper data about students‟
feeling and responses on the use of mind mapping based on the teacher point of view. The teacher knew
about students‟ changes before knowing about mind mapping and after using mind mapping. It helped the researcher to know about
students ‟ improvement from the teacher point of view.
D. Research Instrument and Data Gathering Technique
