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Foreign Language Tutoring in Oral Conversations Using Spoken Dialog Systems

机译：使用口语对话系统进行口语对话的外语教学

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摘要

Although there have been enormous investments into English education all around the world, not many differences have been made to change the English instruction style. Considering the shortcomings for the current teaching-learning methodology, we have been investigating advanced computer-assisted language learning (CALL) systems. This paper aims at summarizing a set of POSTECH approaches including theories, technologies, systems, and field studies and providing relevant pointers. On top of the state-of-the-art technologies of spoken dialog system, a variety of adaptations have been applied to overcome some problems caused by numerous errors and variations naturally produced by non-native speakers. Furthermore, a number of methods have been developed for generating educational feedback that help learners develop to be proficient. Integrating these efforts resulted in intelligent educational robots — Mero and Engkey — and virtual 3D language learning games, Pomy. To verify the effects of our approaches on students' communicative abilities, we have conducted a field study at an elementary school in Korea. The results showed that our CALL approaches can be enjoyable and fruitful activities for students. Although the results of this study bring us a step closer to understanding computer-based education, more studies are needed to consolidate the findings.
机译：尽管世界各地对英语教育进行了大量投资，但在改变英语教学风格方面并没有多少差异。考虑到当前教学方法的不足，我们一直在研究先进的计算机辅助语言学习（CALL）系统。本文旨在总结一套POSTECH方法，包括理论，技术，系统和现场研究，并提供相关的指导。除了最先进的口语对话系统技术外，还进行了各种改编，以克服由非母语人士自然产生的大量错误和变化所引起的一些问题。此外，已开发出许多方法来产生教育反馈，以帮助学习者变得精通。整合这些努力，就产生了智能教育机器人-Mero和Engkey-以及虚拟3D语言学习游戏Pomy。为了验证我们的方法对学生交流能力的影响，我们在韩国的一所小学进行了实地研究。结果表明，我们的CALL方法可以为学生带来愉快而富有成果的活动。尽管这项研究的结果使我们更加了解基于计算机的教育，但仍需要进行更多的研究以巩固研究结果。

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