My dad made me take one when I was a kid and I did really well, but even then I thought it was stupid. The first issue is addressed in this blog post. The questions just aren't good enough. This is nobody's fault really, because it is very difficult to come up with a set of hard questions that measure your intellect and don't require lots of domain specific knowledge. It's either within a certain domain. If everyone…
Does it make more sense to say that intelligence is 'multi-dimensional' or to say that it's 'adimensional'? After all, IQ is a metric, not a direct measurement, as intelligence isn't itself directly observable. If we're defining 'intelligence' as being a quality of the human mind that's conducive to success at achieving one's goals, then it becomes something of a tautology to simply ascribe that quality to people who…
An analogy for this view of intelligence and knowledge is like a car's acceleration and speed. Some cars may be able to go very fast but they may take a while to accelerate.
As others have mentioned in this thread, what obviously matters more is how you apply intelligence, knowledge and understanding.