I did a quick search here for the Delphi technique because I remember it being discussed here in the past.
Maybe this will help you in your research:
http://www.freerepublic.com/tag/delphitechnique/index?tab=articles
I open FR every day ... have been doing that for many, many years ... and somehow I missed that and the link to the Diamond tactic within it
As a school board director, I have instinctively known we were being manipulated, but I couldn't quite put it into words ....
THAA --- AAANK YOU !!!