That was hardly scientific, the blidfold over the nose routine means that you can still see the text on the desk.

Not one of the visual examples showed the result, just the child reading, so I don't buy it.

However, I would love to be the student of that teacher babe fo'show, and the biggest mystery for me, anyways is what is that menacing thing just at the back of the head of the male teacher?

Cue: Twilight ZOne theme tune

doo do do do doo do do doo....