Since we are making anecdotal observations I'll posit that you could significantly increase your IQ if you focused on it. Just like if you wanted to play an ins

Since we are making anecdotal observations I'll posit that you could significantly increase your IQ if you focused on it. Just like if you wanted to play an instrument. You can increase your playing ability by focusing on it, or more specifically, by practicing. That is how I see IQ, as something that you can get better at by practicing, nothing more, nothing less.