A Parent Has Placed Two Young Children in Front of an Computer

A parent has placed two young children in front of an computer to watch videos in hopes of educating them. According to research what limitations may there be?

A) There should be none, as long as the videos are educational.
B) The lack of social interactions and contingency in videos and other screens hinders growth and learning.
C) Videos are the best way to teach a high volume of words in a short time frame if the videos are age appropriate
D) Children tend to learn less from videos when distracting each other.
E) Social interactions can be recorded to ensure word learning in young children who feel they know the familiar individual who is speaking on the video.