The following is the experiment design. E 01 X 02
C 03 Y 04 Research Design
In which: E : Experimental group
C : Control group 01 : Pre-test for the experimental group
02 : Post-test for the experimental group 03 : Pre-test for the control group
04 : Post-test for the control group X : Treatment using semantic mapping strategy
Y : Treatment using quick reading method Arikunto, 2006:86
In experiment design there were two groups, the experimental and the control group. The procedure of experiment design included pre-test, treatment
and post test. Firstly, both of groups were given a pre-test. Then the different treatments were applied to the two groups; the experimental group was treated
through semantic mapping strategy and the control group was taught by using quick reading method in reading narrative text. Both of them were taught the same
materials based on the curriculum and in the same month. Finally, after they got
treatment, the experimental group and the control group received a post-test. The results of the pre-test and post-test of each group were compared to find the
significant differences of those results between the experimental group and the control group.
3.2 Population and Sample
The writer had determined the object of the study consisting the population and samples. The explanations on the object of the study are as follow:
2.2.1 3.2.1 Population
A population is a complete set of individuals or subjects having common observable characteristics. The population of interest could vary widely depending
on the research question and purpose of the study. According to Best, 1977: 267 population is any group of individuals that have one or more characteristics in
common that are of interest to the researcher. The population might be all the individuals of a particular type or a more restricted part of that group. The
population of this research is the students of SMP N 6 Semarang. It consists of 22 classes, 8 classes of the third grade, 7 classes of the second grade, and 7 classes of
the first grade. see appendix 1
3.2.2 Sample
Getting sample is very important in scientific research because the total number of population is usually too many. Because of the large number of
population, the researcher took sample as the representative of the population. According to Best,1977: 268 a sample is a small proportion of a population
selected for observation and analysis. The sample of this research is taken from two classes of eighth grade students of SMP N 6 Semarang in academic year of
20122013. The samples were divided into two groups. The first group as the experimental group EG and the second one as the control group CG. The
sample of this research was the students of VIII B AND VIII C of SMP N 6 Semarang in academic year 20122013. The total sample is 60 students. They
were divided into two groups. The first group was VIII C as the experimental group EG consist of 30 students, and the second one was VIII B as the control
group CG consist of 30 students. see appendix 2
3.3 Research Variable
According to Best 1977: 93 variables are the conditions or characteristics that the experimenter manipulates, control, or observes. The independent variables are
the conditions or characteristics that the experimenter manipulates in her attempt to ascertain their relationship to observed phenomena. The dependent variables
are the conditions or characteristics that appear, disappear, or change as the experimenter introduces, removes, or changes independent variables.
Concerning the research aims, the questions, and the hypotheses addressed in this research, the variables of this study are:
