Researchers Determine How Groups Make Decisions

PHYS.ORG    September 18, 2015

Temnothorax rugatulus. Credit: Arizona State UniversityFrom 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  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...

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