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"The latest study, in France, involved 80 children, 48 boys and 30 girls"

What do i win for spotting errors?

Two who declined to reveal their gender? Two intersex children? Hmm, yeah, seems unlikely! Email the editor, or there may be an errata email address.

Certainly would be a very odd control group!

Journal article just specifies 80 children, of which 48 were boys, so that would be an arithmetic problem at the WSJ. Lucky they don't deal with numbers on a regular basis :-/ Corrections email address: wsjcontact@wsj.com

There's bound to be a dodgy joke about significant figures in there...

Obviously there were 158 children in total.

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