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Two quotes on ‘value-added’ measures of teacher quality

TweetShareSharePinClipPocketIf you’re new here, you may want to subscribe to this blog via e-mail or my RSS feed. I also am on Twitter. Thanks for visiting!Here are two quotes from Diane Ravitch’s blog regarding ‘value-added’ measures of teacher quality. The second one would make me laugh if it weren’t also so sadly true… The crux...

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Should teachers be evaluated by student test scores?

Should teachers be evaluated by students’ standardized test scores? While that idea seems to make intuitive sense, my newest resource on value-added measures (VAM) highlights the rating volatility, legal issues, and other concerns that have led our most trusted assessment experts and educational research/policy organizations to vehemently advocate against evaluating teachers with student test scores: As we...

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Connecting test scores to teacher evaluations: Why not?

Mike Wiser at The Quad-City Times reported today on the controversy here in Iowa around connecting student test scores to teacher evaluations (aka ‘value-added modeling’ or ‘VAM’). Last week I shared the research and prevailing opinion of scholars supporting why this should not be done. In the article, notes that ‘teacher accountability has to be be...

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The lack of evidence supporting the use of student test scores to rank teachers is staggering

Jason Glass said: For a policy that practically every public school system in the nation is pursuing, the lack of evidence to support [the] effectiveness [of using student test scores to rank and evaluate teachers] is staggering. The number of high-performing education systems that use such an approach: zero. The number of peer-reviewed scientific studies...

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A letter to Madysen

The letter reads: Dear Madysen, Over the last couple of months I have noticed your dedication to your drawings. You sit at your desk and at every spare moment you grab a drawing tool (pen, pencil, pencil crayon, or felt) and paper. You draw what you feel, and I love it! I need to ask...