"Barney McCoy, an associate professor of broadcasting, embarked upon his study after launching his teaching career seven years ago and noticing the instructional challenges presented by students' digital devices.
From the front of his classroom on multimedia, he often saw the smart phones creeping out.
The view from the back of a classroom while a colleague taught Mass Media Principles was equally telling.
"They've got their laptops open, but they're not always taking notes. Some might have two screens open-Facebook and their notes," McCoy said."