Some great news! Our latest paper:
Kovanovic, V., Gasevic, D., Dawson, S., Joksimovic, S., Baker, R. S. J. d, & Hatala, M. (2015). Penetrating the Black Box of Time-on-task Estimation won the best paper award at the 2015 Learning Analytics and Knowledge (LAK15) conference!
Here are the slides from the conference presentation