出版社：International Association for Computer Information Systems
摘要：We describe the use of Twitter to deliver class announcements as a way to enhance social presence in two online courses by increasing both the immediacy and frequency of contact between instructor and student. We found that most students were ambivalent to using Twitter in this way and only about 14% would follow the tweet.
关键词：Social Presence; Online Learning;Twitter; Social Interaction; Microblogging; Student;Engagement
