This study aimed to clarify the relationship between media, learners' perception of social presence, and output in communicative learning using synchronous computer-mediated communication (SCMC). In this study, we developed four types of SCMC: videoconferencing (image and voice), audioconferencing (voice but no image), text chat with image (image…

This study examines potential designs in the usage of synchronous computer-mediated communication (SCMC) for communicative language learning in learner-centered communication. In this study, the authors compared four types of SCMC: text-based chat with and without interlocutors' image, video conferencing, and audio conferencing, each supporting of…