^ That's Gardner's theory of multiple intelligences. I think #4 might be more easily understood as spiritual or metaphysical intelligence.
There's many different theories of intelligence nad its a very hard thing to conceptualize and even define for some people. And people have a tendancy to define intelligence in the way that makes them appear above average.
IQ receives much criticism for being too focused on logical/mathematical/linguistics. For example, I haven't had a proper IQ test (the online ones tend to inflate your scores, I think) but I'm definitely above average (or at least, so people tell me, I can't tell cause I've never been not like this). I also have an innate mechanical ability. I KNOW mechanical stuff and computesr and stuff, just have a sixth sense for 'em and that sorta thing can't be measured on an IQ test.
And while IQ does correlate highly with academic success, success in a job or in life correlations are quite low. Meaning IQ doesn't have that much to do with it. So anyone reading this thread thinking that someone's doing better cause they have a high IQ, that's likely not the case.
I found this to be a funny story:
Asimov, "What is Intelligence?"
IQ can also have heinous labelling effects, especailly if we believe that intelligence is fixed. Intelligence isn't all inherited, many researchers believe it's about 70% inherited, the rest being influenced by the environment, and differnet percentages for different people. So, you can get "smarter" with hard work.
The Power (and Peril) of Praising Your Kids -- New York Magazine