(I using a mobile phone excuse spelling mistakes)
*1 just finished with the articles, one thing I'll conclude on: I repeat, the results are claimed of belonging to subsaharan, which destroys what you call fixed variable to validate the stated hypothesis.
They first build positive Pathos by complementing the IQ of the subjects being average 90, using the platonic marketing skills, then they destroy that by spamming numbers trying to link what you call frican in a rigid singularity group on which the rest of the findings are based upon, :|
2. as a Mathematicis major I'll tell you the value of variation: <== The lower strata and the elite intelligent are both African: This means the tallest race in the world is African(Sudanese Masai), The shortest race in the world is again African(Pygms), The least intelligent race is once again Africans, The most intelligent is too African. million dollar question why? BECAUSE AFRICA IS DUBBED MELTING GENE POT: too many gene variation to have a sensible conclusion on.
3. The researchers doing those articles were a bit too naive: on over a million different tribes they managed a thorough conclusion on a mind bogglingly limited sample:|
on my opinion though: I hope people like you and me die in the world, we are not doing the world any favours with these racist arguments