A Review on Corrective Feedback Research of the Recent 20 Years

Corrective Feedback is a hot topic in the field of second language acquisition in recent years. Its research is helpful for second language learners to acquire target language successfully. Based on the research results at home and abroad in the past two decades, this paper firstly analyzes the definition of Corrective Feedback, including the definition and classification of Corrective Feedback. Secondly, it introduces the research content of Corrective Feedback at home and abroad, mainly including the overall effect of Corrective Feedback on second language acquisition, the effectiveness of different classification of feedback and the four main factors affecting the effect of Corrective Feedback. Finally, the current development trend of Corrective Feedback research is summarized and concluded.