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EdUHK’s Dr Gary Cheng: Automated System for Tracking Student Responses to Teacher Feedback

Students’ revision of their drafts is recognised as an important strategy to support the development of their writing skills. It involves a complex process of evaluating text, diagnosing problems and making revisions to improve the text. Research found that novice writers tend to make surface revisions to their drafts while experienced writers tend to make text-based revisions that can alter the overall meaning of the text. Research also found that offering feedback on the drafts can be useful in bridging gaps between students’ actual and desired writing performance in the course of revision.

Despite a substantial amount of literature on the importance of teacher feedback on student writing, much work still has to be done to identify the features of teacher feedback that can contribute to the success of student revision. More importantly, it is worthwhile to develop practical ways of supporting teachers to provide effective feedback to students. To assess the effectiveness of teacher feedback on triggering student revision, human analysis of feedback and revision data is a commonly adopted approach. This approach however is known to be time-consuming and labour-intensive, limiting its practical use in a wide range of writing classes.

To address the limitation of the traditional approach, an automated tracking system was designed and implemented by Dr Gary Cheng Kwok-shing at the Department of Mathematics and Information Technology of The Education University of Hong Kong. The system aims to classify types of teacher feedback and student revision in English as Foreign Language (EFL) writing, as well as to detect their interconnections in a systematic and automatic manner. This initiative would benefit both students and teachers in the feedback and revision process.

For students, the automated tracking system can generate immediate and individualised analysis on how well they make changes in response to teacher feedback. The analysis can promote student reflection on their revision strategies and encourage students to improve their subsequent writing. For teachers, the system can identify students who have problems in revising their text and are in need of early assistance. Furthermore, the system can inform the characteristics of teacher feedback to which students often attend and react in EFL writing. This would increase teachers’ awareness of the effectiveness of their own feedback and serve as a basis for enhancing their feedback practice.

The system received a Silver Medal in the Silicon Valley International Invention Festival in USA in 2019. In the future, the system would be applied to more EFL writing courses at various levels and in different tertiary institutions so as to evaluate its impact on student writing. Further efforts would be made to develop new functionality that enables the system to provide students with personalised suggestions and links to relevant learning resources in order to further facilitate students making more effective revisions.

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The Education University of Hong Kong

Nestled in a scenic mountain range, just one hour from Hong Kong’s business districts, The Education University of Hong Kong (EdUHK) offers tranquility and world-class scholarship in a vibrant, inclusive community. EdUHK is a publicly funded tertiary institution dedicated to the advancement of teaching and learning through diverse academic and research programmes on teacher education and complementary disciplines, including social sciences and humanities. The University places great emphasis on research capability with the aim of contributing to the advancement of knowledge, scholarship and innovation. EdUHK is committed to creating a sustainable impact on social progress and human betterment and defining the education landscape for not only Hong Kong, but also the Asia Pacific region. Ranked 3rd in Asia and 16th in the world in Education (QS World University Rankings by Subject 2021), EdUHK will continue to make an impact locally, regionally and internationally through high quality research and scholarship. Adopting an Education-plus approach, its primary mission is to lead educational innovation, and to promote and support the strategic development of teaching, teacher education and disciplines complementary to education by preparing outstanding and morally responsible educators and professionals while supporting their lifelong learning. To know more about EdUHK, please visit www.eduhk.hk.

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