Research on the Feedback Mechanism of Mobile and Digitized English Teaching in College during COVID-19.

Object: this research aims to organize, evaluate, improve and supervise college students’ comprehensive English ability and learning autonomy through mobile and digital learning activities and management. Method: this research applied Task-based English Teaching and Itest System to improve students’ learning autonomy and English ability by launching exercise tasks of 4 different English skills every weekday, such as writing, translation, reading and listening. Various learning data was recorded by Itest System everyday as an accordance for guiding and supervising students learning activity, and a means of the mobilization and digitization of the task, feedback and incentive mechanisms. Result:the pass rate of the exercises launched by Itest system is high at the beginning and ending of a semester and every Monday, while it's pretty low in the mid-term of a semester and every Friday. Moreover, the improvement effect of the 4 different English skills is different, and the progress of the 952 students’ listening and translation is more obvious. Conclusion: the educational mechanism in this research is effective in improving the English translation and listening skills of the freshmen in college. Digitized management can clarify blind areas in students’ learning activities, and locate students’ problems and problematic students. Mobile English teaching can minimize close contact, but its disciplinary constriction to a few students needs the assistance of college counselor. Students’ learning autonomy is low at the mid-term of a semester and on every Friday, which requires more management force.