rklancer

3 ms·

1. 1.▲
   by rklancer 15y ago

   Sure. I'd even agree. I would say that for certain use cases, the advantage of video can be large. Averaged over all use cases that matter, there may be no advantage at all. Of course that doesn't mean you shouldn't use it where the advanta
2. 2.▲
   by rklancer 15y ago

   With respect to video, I suspect that the answer is that video changes with time. If a video viewer's attention drifts off of the video, he or she is likely to notice being slightly behind when he or she does glance back at the video, and t
3. 3.▲
   by rklancer 15y ago

   Easy. With video you're less likely to lose focus and drift off task. This is of no small importance when you get your material on a computer, with endless distractions at hand. I haven't watched many Khan videos, but I did complete the Sta