The writer made the questions based on the students’ book that used in the
classroom. There are some indicators of arranging questions of Simple Past Tense. These following indicators were used by the writer to make instruments of this study
as follow: Table 3.2 Indicators in making instrument.
Indicators for Simple Past Tense 1.
Siswa mampu mementukan: pola to be past tense dalam kalimat
pola negative past tense dalam kalimat pola interrogative past tense dalam
kalimat. pola regular dan irregular dalam kalimat
2. Siswa mampu menyusun kalimat acak menjadi
pola kalimat simple past tense dengan benar
E. Technique of Collecting Data
Pre-test and post test were given to collect the data. Pre-test was given before the treatment and post-test was given after the treatment. And for the treatment, in the
experiment class, the writer firstly selected the six of students who get the highest score of the pre
– test. The selected students who get the highest score then be trained by the writer. The writer taught them after the school. The materials were about
simple past tense. The 3 days training of review and practice includes giving students opportunity to practice in pairs after the procedures were modeled. After three times
of training program and the students are ready to teach the other friends in the classroom, then the peer tutoring program in the classroom was started.
In the controlled class, the writer taught simple past tense using Grammar Translation Method in which she explained the patterns of the simple past and then
asked the students to do assignments to translate and to make examples of simple past tense. The students worked individually.
After the treatment of using Peer Tutoring gave to students in experiment class meanwhile the controlled class did not, the post-test was given and then
comparing the results of the pre- test to know students’ achievement of both two
classes.
F. Technique of Data Analysis
The writer used t- test to find out the differences between the students’ score
which are taken from pre-test and post-test. The formula of t-test is:
t
o
=
Where: Mx
: Mean of the Different score of Experiment Class My
: Mean of the Different score of Control Class SE
Mx
: Standard Error of Experiment Class SE
My
: Standard Error of Control Class X : using Peer Tutoring in Experiment Class
Y : do not using Peer Tutoring in Control Class
