Good managers have roughly twice the impact on team performance as good workers. People who nominate themselves to be in charge perform worse than managers appointed by lottery, in part because self-promoted managers are overconfident, especially about their social skills. Managerial performance is positively predicted by economic decision-making skill and fluid intelligence – but not gender, age, or ethnicity.
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> Participants were recruited from the Essex University Economics Lab sample pool. ... The median participant was a graduate student with two years of work experience.
Hard to see how econ grad students play-acting boss says much about the kinds of long-term relationships / group dynamics that appear in the wild.
For example, in strength, if you take an equal group of men and women, then half of all men are likely to be stronger than all women and half of all women are likely to be weaker than all men in the group. Meaning half intermingle and overlap.
The same is true for some psychological traits. These aren't absolutes though. I don't think it should generally be a consideration for a given position myself, but there are absolute differences in most cases.