SMAN V Depok, which is located at Jl. Raya Mukhtar Pr. Bukit Rivaria Sektor IV Sawangan, Depok.
The writer did the research in SMAN V Depok started on May 17
th
and he accomplished the research on June 7
th
. C.
Population and Sample
The population of this study is the first year students in the 2009-2010 academic year of SMAN V Depok consisting 9 classes. In each class there are
40 students. So, there are about 360 students as the population. Knowing that the population is huge in number, therefore, for this research, the writer took
only two classes, it means there are 80 students as sample. The writer took the sample by using random sampling method. This decision is made with the
consideration that these two classes are taught by the same teacher, Syamsiah S.Pd.
D. Research Instrument
The research instruments that used for this study includes observation and documentation. The observation is used to observe the teaching learning
conducted by the English teacher in the classroom including her activity, the media, and his performance in the classroom. The documentation is used to
gain the data about teaching preparation made by English teacher. And the writer copied the IQ score and final score of 80 students to be compared with.
E. Data and Source Data
The writer included four data, they are: the IQ test questions, the result of IQ test, the National Examination Sheet and the result of National
Examination. The writer took the IQ test question from Bina Potensi Mandiri located on Jln. Ciburial II no. 18 Ciparigi 44 North Bogor. This institution is a
psychology consultation agent which conducted the IQ test in SMAN V Depok. Meanwhile, the writer got the result of IQ test from the headmaster of
SMAN V Depok by copying it. Next, the writer got the National Examination Sheet and the result from the English teacher there.
F. Techniques of Collecting Data
In this research, the writer gets the data which related to teaching learning English by doing some:
1 Observation
It began in 17th May 2010 the writer observed the school, the teacher, the staff administration, and the students. He started to observe
the teaching learning process in class 10-3 on May 19
th
and 21
st
2010. In this case, the writer acted as an observer the English teacher and her
activity without involving the teaching learning process. 2
Documentation The writer got the data about teacher’s preparation, students’ IQ
score and Students’ final score. It was carried out by copying them from administration.
G. Techniques of Data Analysis
In this step, the writer uses correlational technique. The writer compares the score students’ IQ and their achievement in learning English. This
technique is useful to prove statistically whether there is any significant correlation between two variables.
To find the correlation between students’ IQ score and their achievement in learning English, the writer used the product-moment correlation coefficient
formula. The formula is:
= correlation coefficient between X and Y ∑XY = sum of cross products of deviation scores for X and Y
∑X = Total Score of X
∑Y = Total Score of Y
