Note the terms "comprehensive industry-wide" and the reference to "margin of error". If the claim is not explicit, it is implicit in the use of these terms in the context. I'm lining up with the sceptics, it's a self-serving piece of marketing fluff.
cknell@xxxxxxxxxx - email
From: Michael Kay <mike@xxxxxxxxxxxx>
Sent: Tue, 29 Mar 2005 22:23:21 +0100
Subject: RE: [xsl] New Developer Survey Shows XQuery Adoption Skyrocketing
> I'm incredulous at this claim.
Read it again. They are not claiming that the software professionals they
spoke to were randomly selected or statistically representative.