In this study, the writer did not take sample but she used 100 total of population 60 students. This population based on the English teacher discussed
who held the class 8.A and 8.B, she is Novrina Handayani.
C. Research Instruments
The writer used two research instruments in this study namely; documentation and evaluation.
The documents are used to gain the data about English teacher’s profile, the curriculum, and English text book that used by her in teaching English. They
were taken by borrowing the school files. And the last instrument is evaluation. It is used to know how well the students have already mastered in making simple
sentence. And from that test the writer also wants to know what types of common error made by them when they did the test.
D. Data and Source of Data
There were two kinds of data in this study. Firstly, the data about English teacher qualification or her educational background, curriculum and the English
text book that used by English teacher. And the last, the data evaluation was done by her students.
The data about the English teacher qualification or educational background, curriculum and English text book were taken from English teacher’s
documents and school files. And the data about Types of common error made by second grade students in making simple sentence were derived from students’
answer sheets.
E. Technique of Collecting Data
The writer used two kinds of technique to collect the data. They are as follow, documentation and evaluation.
1. Documentation
This technique was also used to obtain the written data such as the qualification of English Teacher, curriculum and English text book. It was taken
by copying the English teacher’s documentation and school files about educational background of English teacher. The data can be seen in the appendix.
2. Evaluation
Test was done to find out the types of common error made by students in making simple sentence and to know how well the students have already mastered
this subject. It consists of WH question as many as fifteen questions that need a simple sentence as the answer. The form of the test can be seen in the appendix.
F. Technique of Data Analysis
