That was obviously a bad idea, and since then, we've spent a century and a half honing the art and science of promotions.
To study promotions, the researchers conducted a series of clever experiments.
But in other groups, managers were selected based on their own preferences.
What did much better at predicting good managers was intelligence, as measured by a common IQ test.
"Don't think, well, they like to talk, and therefore they're going to be a good manager."
Persons:
we've, we're, David Deming, It's, Dunning, Kruger, Mark Zuckerberg, Elon Musk, Deming, they'll, Aki Ito
Organizations:
National Bureau of Economic Research, Employees, Harvard Kennedy School, Harvard, Tech, Business
Locations:
America