A friend of mine, Laia Albó, gathered some data about when the participants whatched the videos of the course “hands on wireless sensor networks”. The results are available here:
https://public.tableausoftware.com/views/TFMresults/VideoLogsperStudentintime?:embed=y&:display_count=no
Different students can watch the videos at differen times, choosing their own learning itinerary.