Openness explains the ability to innovate and come up with big ideas because you're open to them, and fluid intelligence explains the ability to go and execute.

An open-minded person running a business might catch a problem faster than a closed-minded person. And when they identify a problem, they can fix it much faster.

An open-minded person running a business might catch a problem faster than a closed-minded person. And when they identify a problem, they can fix it much faster.

Fluid intelligence is not a Big Five personality trait: It's a measurement of one's ability to rapidly learn and apply a rule set. As an entrepreneur, you're rapidly dealing with different issues, and your ability to switch from one issue to another is very important.