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reply>who are more amenable to sitting quietly and paying attention
replyIs this explanation not making a blatant assumption here that girls are statistically less hyperactive and distracted than boys?
"Hyperactive and distracted" is not necessarily the exact reason, but there is a large, well documented gap in performance for boys vs girls in elementary school (at least in the US).
replyIs that controversial (assuming otherwise normal children, excluding anybody with ADHD, etc)?
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