oltaire's Bastards”. Saul leadership with management - Leadership is about inspiring people, management is about people as objects of input-output processes.
It may be why Prof Richard Boyatzis has found 50% of Leaders do not add any value!!
Other researchers, notably University of Chicago economist Steven Levitt, in his book “Freakonomics”, have discovered widespread cheating by teachers on these external tests.
Levitt has found significant evidence that Teachers adjust student answers on external tests to ensure all students in their class get good scores.
Prof Robert Sapolski gives a funny and short (20 sec) talk on where all this accountability and testing is heading.