A Research Review of Language Switch Cost
Language switch cost is an important field in bilingual research. Language switching is a process in which bilinguals transfer languages. This study summarizes and reviews the studies of language switch cost at home and abroad from the following aspects: its theoretical modules, research objectives and modes, and empirical studies. This article also discusses future development of the research. The findings obtained from previous studies reviewed in this paper research provide useful insights for second language acquisition and teaching.