JENNYANTIKA SOLVINA PLAITUKA Pengarang YANPITHERZON LIUNOKAS Dosen Pembimbing 1 MARCELINUS YERI FERNANDEZ AKOLI Dosen Pembimbing 2 Fransiskus Bustan Ketua Penguji Yanpitherzon Liunokas Penguji 1 Marcelinus Yeri Fernandez Akoli Penguji 2

This thesis is entitled: ‘English-Indonesian Code Mixing Used by Marion Jola in Her Instagram’. The problems of this research are (1) what are types of English-Indonesian code mixing used by Marion Jola in her Instagram? And (2) what are forms of English-Indonesian code mixing used by Marion Jola in her Instagram? This study aimed to find out the types of English-Indonesian code mixing used by Marion Jola in her Instagram and to identify forms of English-Indonesian code mixing used by Marion jola in her Instagram. The method used in this study was descriptive qualitative method. The data resource of this study were pictures that had captions on Marion Jola’s Instagram which used English-Indonesian code mixing. The captions were taken from March 29, 2017 until March 30, 2019. In collecting the data, the writer used documentary technique. The data were analyzed by using techniques of identifying, describing, and analyzing. The result shows that there are four types of code mixing used by Marion Jola in her Instagram caption, such as: intra sentential, inter sentential, intra lexical and involving a change pronunciation. The type of code mixing mostly used by Marion Jola in Her Instagram is Intra-sentential type consists of 26 captions or 46%. The writer also found that there are four forms of code mixing used by Marion Jola in her Instagram caption, such as: word, hybrid, word reduplication, and clause. The forms of code mixing was mostly used by Marion Jola in her Instagram is clause consist of 29 caption or 57%. Key words: Code Mixing, Marion Jola, Instagram