Exploring the characteristics of adults’ online learning activities: a case study of EdX online institute

Online learning has become a prevailing trend among adult learners. Therefore, this study investigated the time preference and relationship between course completion activities learners based on data from one online platform. Results indicate that periodical fluctuation of participating exists Additionally, activity posting discussion board is main factor influences their completion. It expected would help system designers, education administrators instructors to better understand characteristics provide accessibility flexibility in environments for them.