Why is every post asking questions WRT the effects of gender and migration being caveated so dramatically? It would appear people are afraid to even ask about what seem to be obvious relevant factors. There are noticable differences in the IQ averages between gender groups as well as origin, but the plasticity of IQ has also been established. The fear of reprisal and condemnation for wrongthink is starting to resemble Puritan New England. I sincerely hope we don't start burning witches...