MatthewW comments on What Cost for Irrationality? - Less Wrong

59 Post author: Kaj_Sotala 01 July 2010 06:25PM

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Comment author: Blueberry 02 July 2010 07:46:12PM 1 point [-]

I assume they were also told the total number of black and white students, in which case the information would be the same.

Comment author: MatthewW 03 July 2010 09:51:41AM 3 points [-]

I'm not sure that's a safe assumption (and if they were told, the article really should say so!)

If you did the experiment that way, you wouldn't know whether or not the effect was just due to deficient arithmetic.