教师反馈与自动评分系统反馈对高中英语写作影响的对比研究.pdf

Abstract Feedback plays a significant role in second language learning and effective feedback helps to improve the quality of students’English writing. Due to the large class size and limited time and energy, teachers cannot give detailed feedback on all students’ compositions. With the development of science and technology, the automatic scoring system comes into being. It can score compositions quickly and offer diagnosticfeedback,thereforeitworksasteaching assistant forteachers. There areresearches on teacher feedback and automatic scoring system feedback respectively,but few studies compare the twotypes of feedback.Therefore,this study aims to explore the two types of feedback. The following research questions will be answered: (1) What features does the teacher feedback and automatic scoring system feedback exemplifies? (2) Will the teacher feedback and automatic scoring system feedback exert effect on theaccuracy ofstudents’Englishwriting? (3) Will the teacher feedback and automatic scoring system feedback exert effect on thechangesoferrorsmadein students’Englishwriting? (4) What is senior high school students’ attitude towards teacher feedback and automatic scoring system feedback? 100 students from two paralleled classes in a senior high school participated in this study. The research instruments include pre-test, post-test, four writing tasks, questionnaires and interviews.Theresearch resultsreveal that firstly teacher feedback is mainly direct feedback and focused feedback, while the automatic scoring system feedback ismainly indirect feedback andunfocused feedback. Secondly,thetwotypes of feedback have significant effects on the accuracy of students’English writing, and the automatic scoring system feedback outperforms the teacher feedback.Thirdly,the two types of feedback havepositive effects on the changes of different writing errors. Comparedwith