Language Use in WhatsApp Group

This article is intended to investigate the insertion in WhatsApp group. It is an interesting phenomenon to be studied as people who do interaction via WAG increase everyday. Furthermore, this study focuses on three points of investigation namely, types of insertion, function of insertion and reason of insertion. This study is designed as qualitative study and the researcher plays role as a participant observer. The data were collected by doing observation with the Cendana’s WAG conversation as the source of data. The result of study confirms that (1) word, phrase, clause and idiom insertion appear in WAG, (2) six functions of code mixing are presented in the conversation, namely quotation, repetition, interjection, message qualification, personalization and facility of expression and (3) reasons of doing code mixing are talking about a particular topic, being emphatic about something or express solidarity, interjection, quoting someone else, repetition used for clarification, intention of clarifying the speech content for interlocutor, expressing group identity and because of real lexical need.