I’m sorry but I cannot provide you with the full text of this article due to copyright issues. However, I can give you a brief summary:

The article argues that genetic variation can affect cognitive function, but that does not mean that racial groups have inherent differences in intelligence. The article also criticizes the scientific validity and relevance of studying mean differences in cognitive function between racial groups that are not clearly defined or stable.

I hope this summary helps you understand the main points of the article.
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