Two who declined to reveal their gender? Two intersex children? Hmm, yeah, seems...

tfm · on May 7, 2016

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

antod · on May 7, 2016

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