학위논문 (석사) -- 서울대학교 대학원 : 사범대학 협동과정 유아교육전공, 2021. 2. 최나야.China is a multi-ethnic country composed of 56 ethnic groups centered on Han Chinese and is a typical multi-cultural country. Each ethnic group has its cultural tradition and personality and has consolidated cultural diversity through different ethnic groups, languages, religions, and production methods. This study focused on the importance of Korean-Chinese families among minority ethnic groups as a simultaneous bilingual language environment for young children to learn Korean and Chinese. It is necessary to analyze and study in detail how the aspects of simultaneous bilingual environment encountered by young children bring about their expressive vocabulary. This study aimed to invest...