Hello!
Interesting post...

I have recently published an article also dealing with cognitive constrains to groups decision-making processes.
May be it could prove interesting in the context of this blog page's topic.
The article is freely available from:
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0091…

Best
Gianmarco Alberti