Question

She suspects that multitasking while in class is to blame so she bans computers and cellphones from her class. later in the semester, when she compares the first midterm with the second midterm scores she finds a significant improvement. however, she finds that five of the multitasking students with the lowest scores on the first midterm had dropped out of the class.

Answer 1

She did the right thing, by banning the computers and cellphones.