Online instruction is now a common practice in higher education. Due to the great demand for online instruction, roles and competencies of online instructors have received significant attention to be determined. This study is a systematic review of 11 years of research (2010-2020) on the higher education context's online instructor roles and…

It is still a challenge for students to engage in classroom dialogue actively and realize effective dialogue-based learning, as classroom dialogue are influenced by a multitude of factors. It is reasonable to believe that by delving into a specific variable (perceived care) to gain insights into its potential impact on dialogue engagement, which…

Activity theory is of great importance in emphasizing the role of community and intermediary tools in the subject's internalization activities. From the perspective of activity theory, via systematically and comprehensively exploring kinds of different interactions between various elements (e.g. subject, community and tools) in classroom teaching,…

This study proposed a novel approach to classroom debates, in which chatbots that are able to engage in argumentative dialogues are adopted to facilitate students' debate preparation. The approach comprised three stages: first, students interacted with a chatbot named Argumate to help them generate ideas; second, students discussed the ideas with…