Matching confidence

Group Decisions May Suffer If Confidence, Expertise Don’t Match

New research suggests, that when trying to make a decision with another person, people tend to match their confidence levels — which can backfire if one person in fact has more expertise than the other. University College London (UCL) researchers found that that the degree of stated confidence in one’s opinion is infectious when working in a team. However, an individual’s confidence in their opinion implies credibility which may or may not be accurate. The study, published in Nature Human Behaviour, shows that the degree of stated confidence can blur the boundary between well-informed and poorly informed opinion, sometimes to the detriment of group decision-making. ….[READ]