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Natural Selection Studies Based on Bad Statistics March 30, 2009 — Hundreds of studies claiming to show natural selection may be wrong, say scientists from Penn State and Japan.  PhysOrg reported today that “several statistical methods commonly used by biologists to detect natural selection at the molecular level tend to produce incorrect results.”  Many studies of human evolution have relied on these flawed methods.  If the methods were wrong, the conclusions are unreliable.  “Of course, we would never say that natural selection is not happening, but we are saying that these statistical methods can lead scientists to make erroneous inferences,”...