PHYS.ORG September 18, 2015
From Beats headphones' rise to prominence or a political candidate's surge in the polls to how ants and bees select a new nest site, decisions emerging from groups frequently occur without a leader.
Researchers from Carnegie Mellon University have developed a model that explains how groups make collective decisions when no single member of the group has access to all possible information or the ability to make and communicate a final decision. Published in Science Advances, the de-centralized decision-making model shows how positive feedback during the exploration process proves useful for making good and quick decisions...
Read more at: http://phys.org/news/2015-09-groups-decisions.html#jCp