Research has shown over and over again that estimations coming from many people, in the right circumstances, lead to results closer to the truth. The power of collective intelligence essentially cancels out the extremes, which is why it’s often referred to as a statistical phenomenon.
In an interview debrief that organizations tend to perform by phone or in person, the most vocal person usually impacts the outcome and the decisions of all the others. All those involved will eventually merge toward a common assessment and the confidence of the group will be raised. The group will then make a decision feeling very certain they have made a good choice, but a single answer is not the stamp of accuracy. This article provides insight into the power of social influence and how it can undermine your results.
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