Here’s a FR article, there may be more. Plus searching online. You’ll recognize some of this.
https://freerepublic.com/focus/f-bloggers/3250091/posts
Using the Delphi Technique to Achieve Consensus
Based on Hegelian dialectic.
I am not a fan.
The famous interaction with professor Hegel and one of his students went like this:
But Herr Hegel, the facts are otherwise.
Hegel: Then so much worse for the facts.