army1987 comments on Open Thread, June 16-30, 2013 - Less Wrong

3 Post author: Dorikka 16 June 2013 04:45AM

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Comment author: [deleted] 19 June 2013 12:11:49PM 1 point [-]

Well, the identical twin parts of the study would automatically control for height and sex :)

What?

I meant, it doesn't surprise me at all that if you pick a bunch of pairs of twins, the correlation between “x's weight” and “x's twin's weight” would be very large -- but if you only picked pairs of male twins between 1.77 m and 1.80 m tall and you got the same result...