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I'm always amazed at how easy it is to fall into this: http://en.wikipedia.org/wiki/Just-so_story http://en.wikipedia.org/wiki/Just-so_story Not saying you're

• byrneseyeview 17y ago
  The implicit association test usually shows that you like the folks you look like. And Putnam's study reveals the same thing, on a large scale. Once you consider the fact that for most of human history, we were part of small tribes of close genetic relatives (so kin altruism was good for our tribe's genes, which we are likely to share), you have an explanation that fits the data and makes sense. If that weren't true, you'd have some data that don't make sense, and an evolutionary hole to fill (how would the non-prejudiced tribes outcompete the prejudiced ones before the invention of trade?).