Table 6 Population of TheResearch
Classes Classification
Total Male
Female
VIII.A 19
13 32
VIII.B 27
09 36
VIII.C 17
18 35
VIII.D 13
24 37
VIII.E 15
21 36
VIII.F 20
16 36
Total 111
101 212
Source: document of MTs Negeri 2 Lampung Selatan
2. Sample
Sample is part of population. According to Sugiyono “sample is part of the amount and characteristic which is owned by population.”
7
Sugiyono also states that a good sample is one that is representative of the population from which is
selected.
8
Based on two definitions above, it can be concluded that sample is the several of population that represents the population that will be studied. In this
research, researcher took two classes, one as the experimental class and the other one as control class. They are VIII D as a control class consisting of 37 students
and VIII E as an experimental class consisting of 36 students.
7
Ibid
, p. 118.
8
Ibid.
3. Sampling Technique
In this research, the researcher took sample from the population of research by using cluster random sampling technique because the population is in groups and
considered homogenous.
9
Steps in determining the experimental class and control are as follows:
1. The researcher made a kind of lottery.
2. The researcher prepared five pieces of paper consisting of the five classes,
VIII.B, VIII.C, VIII.D, VIII.E, and VIII.F. 3.
The paperswere rolled and put into glass after that the researcher was going to shake and choose the experimental class first by putting one of
them out the glass randomly. 4.
The researcher did the same way to choose the control class.
E. Data Collecting Technique
The researcher used test as a technique in collecting the data. Arikunto defines test as a number of statements or questions used to measure skill, knowledge,
intelligence, or talent belonged to individual and group.
10
Based on the definition above, the researcher used test to collect the data. The researcher used pre-test and
post-test.
9
Ibid
, p. 120.
10
Suharsimi Arikunto,
Prosedur Penelitian Suatu Pendekatan Praktek
, Jakarta: Rineka Cipta, 2010, p. 354.
