Why do we often bring together a group of people to tackle an important decision, instead of just relying on one particularly clever person? Over 2,300 years ago the philosopher Aristotle proposed that: “The whole is greater than the sum of the parts.” In group-decision making today, we are still discovering evidence for this concept.
Compared to an individual, groups bring deeper knowledge and wider resources to a problem, increasing the likelihood that a group decision is of higher quality than an individual one. Group members are able to look at problems from diverse perspectives and provide specific insights based on their expertise,
