Hi there!
So, based on what the questions asking. It seems that a Flowchart would be most effective because you can see the difference of how close the students test scores are almost identical to them taking notes. You are able to see the decrease or increase of how much attention they give to it and how much they don't.
Hope this helps and have a fantastic day!
-WolfieWolfFromSketch
9: its
10: their
Help this helps :)
Their giggling began to fade when they were taken around the wards.
Subsequent is a time later or more recent than.