Too many topics, too little time

According to Diane Ravitch’s blog Campbell’s Law is:

“The more any quantitative social indicator or even some qualitative indicator is used for social decision-making, the more subject it will be to corruption pressures and the more apt it will be to distort and corrupt the social processes it is intended to monitor.”

via The Best Article About Tenure Ever, Explaining Campbell Brown’s Law | Diane Ravitchs blog.