Post office work is often solitary, and benefits from good memory, quick information-processing, and spatial ability. So, at least in the US, intelligence testing has factored more heavily into who gets hired for the postal service than in a normal workplace, where it also makes sense to select highly on traits like “plays nicely with others.” This is a much more reliable way to create a ‘culture of competence’ than just having the right motto.
Post office work is often solitary, and benefits from good memory, quick information-processing, and spatial ability. So, at least in the US, intelligence testing has factored more heavily into who gets hired for the postal service than in a normal workplace, where it also makes sense to select highly on traits like “plays nicely with others.” This is a much more reliable way to create a ‘culture of competence’ than just having the right motto.