Why comparing NAEP poverty achievement gaps across states doesn't work « Scho... - 0 views
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Jeff Bernstein on 06 May 11"Pundits love to make cross-state comparisons and rank states on a variety of indicators (I'm guilty too). A favorite activity is comparing NAEP test scores across subjects, including comparing which states have the biggest test score gaps between children who qualify for subsidized lunch and children who don't. The simple conclusion - States with big gaps are bad - inequitable - and states with smaller gaps must being doing something right! It is generally assumed by those who report these gaps and rank states on achievement gaps that these gaps are appropriately measured - comparably measured - across states. That a low-income child in one state is similar to a low-income child in another. That the average low-income child or the average of low-income children in one state is comparable to the average of low-income children in another, and that the average of non-low income children in one state is comparable to the average of non-low income children in another. LITTLE COULD BE FURTHER FROM THE TRUTH."