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Those two cases about the code switching phenomenon whose function is to repeat or clarify something have shown us that in English classrooms,
especially in SMK N 2 Depok Sleman, code switching is used by the teacher to repeat or clarify something which st
udents don’t understand. It is also used for translating the English words which might be new for the students. Form the
researcher’s observation, the percentages of the cases of code switching aimed to clarify something were 65.0 in XI TKJ A, 69.1 in XI TGB, 71.0 in XI
TAV, and 77.8 in XI TKJ B. The results of the interview also supported the findings of the observation.
The interview was held on May 17, 2013. The interview aimed to gather information about the functions of code switching. From the interview it could be
concluded that the English teacher transferred the language from English to Indonesian to make the students understand about the materials. She also added
that she did the code switching when the students were confused with the teacher’s explanation.
c. Affective Function
In this case, code switching is used by the teacher to create supportive language environment in the classroom. Code switching can also be used to build
intimacy and solidarity between the teacher and the students in the English classrooms. Fro
m the researcher’s observation of the English teacher and the eleventh grade students of SMK N 2 Depok Sleman, including XI TKJ A, XI TGB,
XI TAV, and XI TKJ B, the researcher found some cases of code switching with
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the affective functions. After calculating the data, the percentages of affective function in each class were 31.0 in XI TKJ A, 21.4 in XI TGB, 23.7 in XI
TAV, and 22.2 in XI TKJ B. The first case of code switching occurred in XI TGB class when the
researcher did the observation on April 20, 2013. At that time the teacher was checking students’ understanding about modals. The English teacher said:
[57] T: Faris understand? “Are you tired? Kenapa kamu? What’s wrong
with you? Sakit nak?are you sick? S: Ngantuk
miss. I’m sleepy In the example [57], we can see that the English teacher was checking the
student’s comphehension about modals. However, she saw that there was a student who was not really enthusiastic in joining the lesson. The student looked
so exhausted. After that the teacher said to the student [57 ] “Are you tired?
Kenapa kamu? Sakit nak? ” In this case, we can see that the teacher did code
switching from English to Indonesian to ask about the student’s condition. From
the example of the case, we can see that the teacher shows the affection to the student. It can also be seen that the use of Indonesian to talk with the student can
create supportive language environment to learn because the student feels that he is being monitored by the teacher.
Another case of code switching was occurred in XI TKJ A class during the researcher’s observation on April 19, 2013. The code switching case happened in
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the very beginning of the meeting when the teacher entered the classroom. The teacher said:
[1] T : How are you today class? S
: capek T : Tired? capek ya? Tired?
In the example [1], the teacher did code switching from English to Indonesian which was
“Capek ya?” to show that the teacher cared about the students’ condition. At that time the teacher said that the XI TKJ A class had just come
from company visits to some companies in Jakarta. Therefore, she didn’t want to
force the student to learn. From the example of the case, we could see that code switching really existed as affective function to the students.
The results of the interview also supported the findings about the functions of code switching
. The researcher asked “Why do you use code switching to teach your students?” Then the teacher answered “It is because English is not their
native language, so sometimes I transfer the language from English to Indonesian to make the stud
ents easier to learn English”. From the teacher’s answer, the researcher found out that the teacher cared
about the students’ comprehension about the materials. Therefore, we can see that the code switching phenomena
whose function is to show the teacher’s affective to the students really existed.
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C. The Effectiveness of Code Switching for English Learning in SMK N 2 Depok Sleman
