The Value-Add Map Is Not the Teaching Territory, But You'll Still Get Lost without It

Greg Forster:

Since we're so deep into the subject of value-added testing and the political pressures surrounding it, I thought I'd point out this recently published study tracking two and a half million students from a major urban district all the way to adulthood. (HT Whitney Tilson)

They compare teacher-specific value added on math and English scores with eventual life outcomes, and apply tests to determine whether the results are biased either by student sorting on observable variables (the life outcomes of their parents, obtained from the same life-outcome data) or unobserved variables (they use teacher switches to create a quasi-experimental approach).

Much more on value added assessment, here.

Posted by Jim Zellmer at January 13, 2012 2:39 AM
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