Article The Social Perspective Journal, 2021, Vo. 1 , No.1 (5), 68-78 Betawi Adolescents' Attitude Towards Mother Language 68 A Sociolinguistic Perspective of Betawi Adolescents' Attitude towards Mother language Tadjuddin Noor Faculty of Languages and Literature, National University of Jakarta Abstract: The research aims to describe the language attitudes of Betawi adolescents towards their mother tongue,. Their attitude towards the influence of the Bahasa language shift to their mother tongue. Ttheir attitudes towards the influence of foreign languages shift to their mother tongue. This is a descriptive, quantitative, and qualitative research, with respondents randomly selected from five Jakarta areas, namely Central, North, West, East, and South. In addition, data were also taken from buffer cities such as Bekasi, Tangerang, and Depok. Data were described and interpreted using Lambert's theory, which stated that attitudes consist of three aspects, namely cognitive (knowledge), affective (assessment), and conative (behavior). Furthermore, the World Health Organization stated that the description and interpretation of adolescents’ conception comprises of three criteria: biological, psychological, and socio-economic. The results showed that The language attitude of Betawi adolescents towards their mother tongue was negative. Their attitude towards Bahasa positively shifted their mother tongue, and their attitude towards foreign language negatively shifted their mother tongue. Keywords: Sociolinguistic Perspective , Mother tongue, Attitudes, Betawi, Adolescent Introduction Many experts have carried out several studies on attitudes, especially in the scope of social psychology(Sercombe, 2019). Smith and Triandis stated that attitude is a person's readiness to react to a present situation or event, which is usually associated with mental and behavioral attitudes (Coluzzi, 2011). Anderson reported two types of attitudes, namely linguistic and non-linguistic, relating to language's cognition or beliefs. Therefore, language attitude is a relatively long-term belief that gives a person the tendency to react in any desired way (Giyoto, 2013). Everyone has a positive attitude toward language (Leng, 1980). However, it can become negative when a person or group of people is influenced by foreigners, especially those with prestige in the political, economic, and socio-cultural fields(Leach et al., 2016). This is because they tend to influence speakers of a certain language, Received: May 5, 2021 Accepted: May 12, 2021 Published: October 1, 2021 Coresponding Authors: tadjuddin.kwardadki@gmail.com; DOI: 10.53947/tspj.v1i1.61