iulie 12, 2011

value-added modeling

Like religion and politics, public education may soon be one of those subjects banned from the dinner table for the sake of family harmony. Few issues can boast so many deeply committed stakeholders with so many intensely opposing points of view.
  1. People recognize that tests are an imperfect measure of educational success, but when sophisticated mathematics is applied, they believe the imperfections go away by some mathematical magic. But this is not magic. What really happens is that the mathematics is used to disguise the problems and intimidate people into ignoring them—a modern, mathematical version of the Emperor’s New Clothes....

Niciun comentariu: