There is also emerging evidence suggesting positive effects of new teacher accountability systems (typically as part of pay - for - performance systems). (educationnext.org)
As related to Arizona's teacher accountability system in particular, so far, the state department of education has at least tried to maintain some sanity in terms of its teacher accountability and related VAM - based policies, leaving much of this to be determined by and in the hands of districts and schools who still very much honor and appreciate their local control. (vamboozled.com)
It is common in the implementation of teacher accountability systems to use a procedure known as Empirical Bayes shrinkage to adjust the teacher value - added estimates by their level of precision. (semanticscholar.org)