Salsabila, Prina Naura. 2009010034. 2024: THE USE OF TEACHERS’ CODE
SWITCHING IN ENGLISH TEACHING LEARNING PROCESS AT
VOCATIONAL SCHOOL (Ecolinguistic Perspective). Skripsi Sastra Inggris,
Fakultas Ilmu Budaya dan Komunikasi, Universitas Muhammadiyah Purwokerto.
This study aims to investigate: (1) the functions of code-switching in teaching
learning process at classroom; (2) reason of using code switching in teaching
learning process; and (3) how is the ecosystem of language in english teaching
learning process at school. According to Ferguson’s theory, there are three functions
of code-switching: curriculum access, management classroom, interpersonal
relation. This study was conducted using a qualitative method with an ecolinguistic
perspective. The participant in this study was X grades’ students at one of the
vocational high schools in Purwokerto. Data collection in this study was carried out
through simak and cakap method. The writer conducted observation twice, then
recording and interview was used to collected the data. For the result DKV class
used more CS for curriculum access function and PM class used more CS for
management classroom discourse function. The reason teacher do CS including
students’ limitation in English, for cognitive advantage, student protest and ask to
explain in national language and student more comfortable and confident using
Indonesian. Teachers' reasons for conducting CS in English classes influence how
the language ecosystem in a classroom. The influencing factors include varying
levels of English proficiency among students, impact on class dynamics and
participation, establishing a clear language policy in the classroom, and balancing
the English approach with the multilingual approach.