Student disengagement and dropout have been a concern among higher education institutions that adopt a mass lecture mode of knowledge delivery. Lack of student-student and student-teacher interactions is the primary reason causing student engagement to suffer. Recently, the widespread use of social networking sites such as Facebook has prompted…

The purpose of this study is to examine the effect of material incentives on the knowledge-sharing networks and information lifecycles of a public online forum. The users' interaction data were collected from two similar sub-forums, and one of them provided material incentives for sharing knowledge. After collecting user behaviors for one natural…