|More Evidence that Value-Added Modeling is Junk Science
“New York is very proud of its new Educator Effectiveness Evaluation model, which claims to measure which teachers and principals are effective, relying in part on the increase (or not) of test scores of students.
“Bruce Baker of Rutgers demonstrates that the model is biased and inaccurate. It favors classes and schools that start off with higher-performing students…”
Read more of this article on Diane Ravitch’s blog.