And so, you can do hundreds and hundreds of studies showing a general factor and just so long as you restrict your populations, your testing materials and the kinds of situations you look at, you can keep finding the same wrong thing again and again. ↗
I once asked a hermit in Italy how he could venture to live alone, in a single cottage, on the top of a mountain, a mile from any habitation? He replied, that Providence was his next-door neighbor. ↗