Nick_Tarleton comments on Undiscriminating Skepticism - Less Wrong

97 Post author: Eliezer_Yudkowsky 14 March 2010 11:23PM

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Comment author: Nick_Tarleton 17 March 2010 12:49:38AM *  2 points [-]

The prior probability would be much lower in this case. Pretty and non-pretty people don't form historically separated populations, and attractiveness isn't known to be correlated with numerous non-superficial genetic differences the way race is (e.g. genetic diseases).

Comment author: wnoise 17 March 2010 06:20:13AM 2 points [-]

Pretty and non-pretty people don't form historically separated populations,

They don't have to be physically separated to be reproductively separated. I think there is some segregation on attractiveness, but not that much.

attractiveness isn't known to be correlated with numerous non-superficial genetic differences the way race is (e.g. genetic diseases).

Of course it is! There is a huge correlation with health, often revealed through things like parasite and disease resistance.

Comment author: RobinZ 17 March 2010 01:07:00AM 0 points [-]

Those points are true, but I stand by my advice. I don't believe the difference in the amount of evidence required is tremendous, and it is a natural tendency among humans to underestimate this amount in any case.