Screen Time Up, Reading Scores Down - Just Correlation Or Is It A Real Effect?
Correlation can accomplish anything, it's how the U.S. National Institute of Environmental Health Sciences consistently finds a way to endorse chemicals in the organic food process while scaring people about chemicals everywhere else.(1) It's how the price of steel can be linked to violence in the Mid-East.
A recent paper argues that reading scores are going down and phones are to blame, and they use correlation to try and show it.
Let's put that in context. The last time reading scores in America went up was when No Child Left Behind was in force - math scores went up during that time…