Many reports coming in on last week's ASTD International Conference and Expo -- in my world coming from instructional designers and trainers making use of technology and social media -- expressed surprise at the prevalence of attendees who, to quote Cammy Bean, are "Traditional training people for whom most of this eLearning stuff is kind of exotic and/or quite overwhelming and threatening."
Once upon a time my dissertation was to focus on classroom trainer resistance to e-learning, killed by The Academy (some of whom were, um, traditional classroom trainers resistant to e-learning...). Up to 2007 I did lots of research and wrote a number of papers for assorted courses. Briefly: There's a lot of interesting literature showing that resistance ties to a number of factors, including personality type (explorer), view of self as instructor (to impart information or guide learning, work roles, and view of technology (enabler or interference).
Here is a lit review from 2006, which finally seems to have found its audience. Enjoy, and please contact me with any updated literature on the topic. Perhaps I'll rewrite it now that the other dissertation is done.