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Does grading bias apply to education reports?

  • 12-17-2009
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By Bob Williams/Teacher Magazine(subscription required)

In my efforts to increase student interest in understanding probability, I often do a magic trick where I repeatedly shuffle a deck of cards and have three different students pick a card. Using the counting principle, students see that if we went through this process more than 132,000 times, theoretically I would guess the selected card of all three students only once. Of course, since I know how to trick my students into selecting the three cards I want them to select, I get the answers I want every time. Last month, the U.S. Chamber of Commerce, the American Enterprise Institute, and the Center for American Progress published a damning report on education titled Leaders and Laggards that I believe uses similar sleight of hand. The report is presented as a fair, research-based, and data-supported assessment to determine how states are doing in innovation of education. (more...)

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