There could be so many reasons for this past just whether we retain more reading on a screen or a page. They aren't reading on e-readers, but usually laptops o

There could be so many reasons for this past just whether we retain more reading on a screen or a page. They aren't reading on e-readers, but usually laptops or tablets that have all manner of distractive apps, messaging services and notifications potentially drawing kids attention away. A book doesn't have a popup that your friend sent you a message, or that you got a new snapchat. Thats just one anecdote I can think of