This is pretty much the exact way I think about it. IQ tests roughly measure the output of the engine but don't say anything about the driver. Metacognition and

This is pretty much the exact way I think about it. IQ tests roughly measure the output of the engine but don't say anything about the driver. Metacognition and executive function for instance are cognitive domains which IQ tests don't really capture but are nevertheless essential for many real world cognitive activities.