THE EFFECTIVENESS... Nur Laila Molla Mater’s Program in Linguistics, Diponegoro University
©2010, UNDIP Institutional Repository
the researcher took samples randomly class A for experimental group and Class B for control group. Treatment of experimental group used GTM Plus
teaching method and control group used RSBI GTM. The number of control group is 22 and experimental group is 22 students. Research quality is not
only determined by the number of sample, but also by the strength of basic theory, research design and data processing Nasution, 2008:101. Every
sample that gives the same possibility among population, we call it random sampling Mardalis, 2008:57.The population is homogenous. Because of this
condition, the writer chooses random sampling technique.
2. Variable of Research
Determination of variables, which cover independent and dependant variables, is based on the hypothesis formula made before. Inter variables
relationship is drawn Usman Akbar, 2008:42. The independent variable in this research uses RSBI Grammar Translation Method GTM as the
teaching method. Whereas, GTM Plus method is applied to experimental group to teach reading in English subject to students of Junior High School.
The dependant variable is reading achievement of students of RSBI Junior High School 1 Tegal in academic year 20092010.
3. Research Data Collection and Research Instrument
The writer commits several ways to collect the data, they are:
a Test
THE EFFECTIVENESS... Nur Laila Molla Mater’s Program in Linguistics, Diponegoro University
©2010, UNDIP Institutional Repository
This method was taken to collect data to be compared and analyzed. Achievement test was taken from the students of both control
and experimental groups. In arranging achievement test, efforts do to determine knowledge and skill which had been taught in variable level of
education, a test book is used for the assessment Arikunto, 2009:144. There were two times of test, pre-test and post-test. Both tests apply to the
control and experimental groups. Test material consists of several texts. Several types of questions
follow the text. Gerot and Wignell 1995:12 state that when we over hear or read a text, we can reconstruct its context of situation. This means
text base is a good material to examination... Pre-test was applied to both control and experimental groups to
measure their basic ability in completing reading test. After GTM Plus was implemented as a teaching method for experimental group and there
was RSBI GTM to control group, finally both groups were tested by the same test book for post-test.
b Questionnaire
Riduwan 2009:71 explained that questionnaire is a list of questions given to other people who give respond respondent related with user’s
requirement. The aim of giving questionnaire is to get complete information about something. The researcher gave questionnaire to the
sample of experimental group in the end of research process. It was one of the ways to get feedback from the respondents particularly to find out
students respond to the application of The Grammar Translation Method
THE EFFECTIVENESS... Nur Laila Molla Mater’s Program in Linguistics, Diponegoro University
©2010, UNDIP Institutional Repository
GTM plus besides to find out the test score of both experimental and control groups.
The result of questionnaire is then analyzed using Likert Scale. It means to find out percentage of students’ acceptance of the application of
GTM Plus. Percentage of acceptance is categorized as follows:
0 - 20: very weak, 21 - 40 : weak, 41 - 60: moderate,
61 - 80: strong, 81 - 100: very strong Riduwan: 2009.
c. Observation
Researcher observes several aspects to the respondents to find out behavior changes among them. Therefore, researcher can define
classroom characteristic and compare the characteristics between control group classroom and experimental group classroom. Researcher carries
out participative observation. Researcher involves in the classrooms. Mardalis 2008 states in committing participative observation, the
researcher involves in the process of research activity in progress.
4. Research Design
This research is using True Experimental Research measuring the equivalent group as control group and another one as experimental group.
Usman and Akbar 2008:5 state that true experimental research means to find possible relationship by giving special treatment to experimental group
and then compares with control group. Researcher caries out classroom observation. This is very important. Similarly, Nunan 1992:92 states the
THE EFFECTIVENESS... Nur Laila Molla Mater’s Program in Linguistics, Diponegoro University
©2010, UNDIP Institutional Repository
researchers were aware of the importance of collecting data on what actually went on in the classroom, and built into the study systematic classroom
observation. In this research, there are two groups, treatment experimental group and control group. First of all, pre-test was applied for both. During
research, the researcher implemented GTM Plus at experimental group and RSBI GTM implemented at control group. In the end of research post-tests
were applied for both groups and then compared the result.
B. Data Analysis
The researcher analyzes data quantitatively. Instrument of analysis as follows:
1. Validity of The Test
Validity of a test can be known from the result of mind process and experience. The first thing to get is logical validity and the second is empirical
validity. Those two things become a basic of test validity grouping Arikunto, 2009:65. The writer uses Pearson Product Moment formula to measure
validity see appendix 14.
2. Reliability of The Test
Reliability is related with trust. A test can be treated as high reliability if the test can give constant result. It means that test reliability is related with
consistency of test result. Or, if the result changes, the change itself can be said unworthy. A test is reliable to the extent that is measured consistently,
from one time to another in different occasions. The writer measured the reliability of test using split-half method and then continued by Spearman-
Brown formula to measure the whole test reliability. Committing this research,
