1. dawn dawn United States says:

    I wonder how they came up with this study.  US, has the lowest IQ compared to other countries.  They lost me at the light skinned blacks had higher IQ than the average blacks... and brain size.... Give me a break.

    • steph steph United States says:

      To be realistic, Dawn, those crude categorizations are not the choice of the authors of the review.  That is derived from the decades of research that they are attempting to broadly summarize, not materials they wrote.

      I cant say I've read the criticisms of their work (although a number have been published and some are in my bookmarks), but I'd think they would be no longer tenured at universities such as UC Berkley if their review was at all unscientific.  

      Also, remember this are mean scores.  In theory, I would honestly think that any lower IQ race could breed up to higher standards in only a few centuries.  

      Evolution does not stop at the neck.  Similarly, an quantified evolutionary state is not a barrier, especially when it has been surpassed by the same species.

    • William Griffin William Griffin United States says:

      "US, has the lowest IQ compared to other countries"

      No, it does not. The US is in the Top 25 for average IQ (IQ and the Wealth of Nations).

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