I think I've caught a blind spot of the WWC: they've been failing to weed out the more devious methodologically flawed research conducted by sponsors of educational programs.
First they let a flawed study slip by when they evaluated Everyday Math.
Now, they've let three studies slip by when they evaluated Reading Recovery.
I discuss this flaw and a few more in this post at D-Ed Reckoning.
When independent researchers note serious methodological flaws in research conducted by potentially biased researchers, it is incumbent upon the WWC to investigate these allegations and/or at least note them before giving these flawed studies their seal of approval.
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swell
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