Tag Archives: value-added analysis

“Lies, damned lies, and statistics”

I wrote the following comment in response to a Shanker Blog post Value-Added: Theory Versus Practice which Diane Ravitch tweeted about this morning. @DianeRavitchDiane Ravitch Read this to get the back story on LA Times rating of teachers:http://shankerblog.org/?p=1928 1 hour … Continue reading

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