“If something on their desk or in their pocket dings, rings or vibrates — they will lose focus.” “Students are doing so much in class, distraction and disruption isn’t really something I worry about.” How should teachers deal with the use of computers and phones by students in class?
https://www.kqed.org/mindshift/50048/laptops-and-phones-in-the-classroom-yea-nay-or-a-third-way