Talangpadang in the academic year of 20162017. The population was 137 students.
Table 3 The Population Based on the Number of the Eighth Grade of SMP N 1
Talangpadang No
Class Genders
Total Male
Female 1
VIII.1 12
22 34
2 VIII.2
13 21
34 3
VIII.3 12
22 34
4 VIII.4
15 20
35 TOTAL
52 85
137 Source: The Document of SMPN 1 Talangpadang.
2. Sampling technique
Sampling technique is the process of obtaining information about an entire population by examining only a part of it.
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In this research, the writer used cluster random sampling technique because the sample is in group and homogeneous and
took the sample from group of class. The process in determining the sample in cluster random sampling technique was done by using lottery. First, the writer
provided four pieces of paper, each pieces of paper contains the name of classes. Second, the pieces of paper were rolled and put in a glass. After that, the glass was
shaken and the writer took one piece of the rolled paper to choose a class as sample. Finally, the writer got VIII.2 as a sample of the research.
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C.R Kothari, Op.Cit.,p.152
E. The Data Collecting Technique
In order to gain the data on the students in using adjective and their ability in writing descriptive text, the writer applied the test such the following explanation:
1. Test on using adjective The writer used
multiple choices to know the students’ mastery in using adjective. There were 40 items of the test.
2. Test on writing ability To know the students’ writing ability, the writer asked the students to write
descriptive text consisting of adjective based on the topics given. The writer asked them to use adjective in their descriptive text.
F. Research Procedure There were steps done in research procedure, they are:
1. Determining the population The writer determined the population. In this research, the writer chose the eighth
grade of SMPN 1 Talangpadang consisted of 137 students. 2. Finding the sample
The writer used cluster random sampling to find the sample. The writer got VIII.2 class consisted of 34 students.
3. Try out of the instrument In this research, the writer used a multiple choice test of using adjective and
descriptive text writing ability test.
