Table 4: Video C is a lecture video (http://www.youtube.com/watch?v=Z09ythJT9Wk). The pulse width is 50 seconds and the smoothing window is 50 seconds. The pulse modeling is reported with respect to the center of each pulse.

712589.table.003

CReference pulse center (sec)User activity pulse center (sec)

S18071
S2181175
S3269281
S4386396
S5528524