From: "Philip Oakley" <redacted>
[2] http://dx.doi.org/10.1111%2F1467-8721.01235 "Why People Fail to Recognize Their Own Incompetence".
Oops, That's behind a paywall, and a more recent variant.
Though the corollaries (People fail to recognise their own skills, and hence they/we mishandle our communications) are just as (IMHO more) important.
I believe this is the on-line version of the original 1999 paper
http://mastercodeprofessional.com/library_files/Kruger-Dunning---Unskilled_and_Unaware_of_It_(2009).pdf
The section 5.1. "The Burden of Expertise" discusses my point above.
"they [Experts] fail to realize that their proficiency is not necessarily shared by their peers."
Philip