이중언어 아동과 단일언어 아동의 언어 능력 발달

Language ability development of bilingual children and monolingual children: Evidence from Korean and Chinese

This study investigated language comprehension ability of Korean and Chinese of Korean-Chinese bilingual seven-year-old children. The participants consisted 4 groups such as 7 Korean-Chinese bilingual children in China, 13 Chinese-Korean bilingual children in Korea, 9 Korean monolingual children in Korea, 10 Chinese monolingual children in China. The study applied the questionnaires and three types of tests to measure sound perception, vocabulary comprehension, and sentence comprehension ability of Chinese and Korean. As results, bilingual children developed family language more than community language and their family language ability is as same as that of monolingual children. The results showed not to support subtractive bilingual.