Differences in motivation, commitment , prior knowledge and differing work schedules (Soderback, J., Hrastinski, S., & Oberg,L.M. (2016). Using distributed serum for an supporting online community-a qualitative descriptive study of students' perceptions. In S. Crammer,N.B. Crammer, N.B. Dohn, M. de Laat, T. Ryberg, & J.A. Sime (Eds). Proceedings of the 10th International Conference on Networked Learning, (pp. 397-404). Lancaster University.
