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Jul 30, 2014 at 16:39 history edited James S. Cook CC BY-SA 3.0
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Jul 30, 2014 at 15:12 comment added Jon Bannon Actually, James, I forgot to include in my question that I am interested in anecdotal evidence as well. Thanks!
Jul 30, 2014 at 14:55 comment added James S. Cook of course, as usual, my answer has little if anything to do with the math education literature, my apologies for its anecdotal status.
Jul 30, 2014 at 14:53 history answered James S. Cook CC BY-SA 3.0