Optimal Video Length for Student Engagement | Cultivating Creativity | Scoop.it
In this first post, I’ll share some preliminary results about video usage, obtained from initial analyses of a few edX math and science courses. Unsurprisingly, students engaged more with shorter videos. Traditional in-person lectures usually last an hour, but students have much shorter attention spans when watching educational videos online.

Via Maggie Rouman, Jim Lerman