This ACM CSCW paper shows that online groups requiring active participation commitments (i.e., that you post regularly) see double the contributions and retain users 4 times more (compared to groups with passive reminders). Prob very useful to OSS and Wiki folks.
Manoel Horta Ribeiro
@manoel@hci.social
CS PhD student @ EPFL
Keywords: Computational Social Science, Platforms, Communities, Moderation