The relevant section is right at the beginning, but if you don't want to watch, here's the gist:
Step 1: Pronunciation.Now linguistically of course this is about the velar nasal as an allophone of [n] before velar consonants. But more interesting to me for the time being at least is that whole "deny that you say it like us" thing.
If you want to be like us, you gotta say it like us. It's not "Van-couver", it's "Vangcouver". Say the g!
Now that you say it like us, deny that you say it like us.
Clip of a guy: *muttering* Vancouver... Vangcouver... I don't say it like that!
I remember learning about the difference between casual and careful speech, especially with regard to class markers; the famous "fourth floor" experiment in New York City, which tested employees at high, mid, and low end stores to see how many would use rhotic versus non-rhotic, and more importantly, how many would change from non-rhotic to rhotic when asked to repeat themselves--that is, to switch to careful speech.
When you're trying to determine how you speak, by definition you're becoming more conscious and therefore more careful in your speech.
Is there any research done into this area of self-perception versus reality of pronunciation? What would be a search term I might use if so? I tried "self-perception of pronunciation" but I got mostly "how to pronounce self-perception" results and a smattering of other results such as language anxiety in EFL speakers.