All-star roster of education researchers: Test scores unreliable, unfair and unhelpful in evaluating teachers
In the midst of a controversial LA Times series linking teacher performance in that district to test scores, a new briefing paper was released today by the Economic Policy Institute cautioning against the use of test scores, the Value Added Model, to judge teacher performance.
The 27-page paper — by a blue ribbon collection of educaion researchers including Eva L. Baker, Paul E. Barton, Linda Darling-Hammond, Edward Haertel, Helen F. Ladd , Robe rt L. Linn, Diane Ravitch, Richard Rothstein, Richard J. Shavelson, and Lorrie A. Shepard - lists many negative impacts from judging teachers largely on student test scores. They also point to studies that cite the unreliability of scores.
My first response to this paper is wonder if there is any school system with the time, resources or staffing to conduct the thoughtful and deeper evaluations that these researchers recommend. The comprehensive evaluation model they suggest could be applied in many professions, except that it calls for resources and time that I don’t think too many companies have any longer. And I certainly don’t think schools do in this current bleak climate that will likely persist for a few more years.
Here are key passages, but please read the entire paper. I think many of you will be applauding
