More on Houston Lawsuit Challenging VAM Methods to Evaluate Teachers

Diane Ravitch's blog

As readers of this blog know, using value-added-assessment is a very poor way to gauge teacher quality. The research and evidence do not support this methodology. Teacher quality cannot be judged by computers. Test scores reflect only a small part of what teachers do. And as the American Statistical Association recently said, teachers account for about 1-16% of the variation in test scores, yet their rating will be heavily influenced by test scores.

Here is a press release about the lawsuit filed in federal court in Houston, challenging VAM:

For Immediate Release
May 1, 2014

 

 

 

Contact:
Gayle Fallon, HFT
713/623-8891
Janet Bass, AFT
301/502-5222
jbass@aft.org

Seven Houston Teachers, Houston Federation of Teachers File Lawsuit
Challenging Constitutionality of Value-Added Measure for Evaluations
HOUSTON—Highly recognized, good teachers are receiving poor evaluations because of a grossly flawed value-added algorithm that should be changed, seven Houston teachers and the Houston Federation…

View original post 1,180 more words

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