These are only two traits measured leaving many who correlate to neither. I am hardly well versed in the jargon discussed here to speak authoritatively, but mor

These are only two traits measured leaving many who correlate to neither. I am hardly well versed in the jargon discussed here to speak authoritatively, but more than half the variance is unaccounted for. An outsized effect for sure, but not the whole effect, and not even the largest single factor.