Ha!  Something I always suspected.  You can read the full article here, but there are a few bits of info that really stand out.

“In short, the new study by Wood and Douglas suggests that the negative stereotype of the conspiracy theorist – a hostile fanatic wedded to the truth of his own fringe theory – accurately describes the people who defend the official account of 9/11, not those who dispute it.”
and
“Professor deHaven-Smith explains why people don’t like being called “conspiracy theorists”: The term was invented and put into wide circulation by the CIA to smear and defame people questioning the JFK assassination.”