Two Heads Are Cockier Than One

Two heads are better than one. Anyone who has ever played a trivia game knows this. Working in groups allows people to combine the knowledge of each participant to improve decision-making and accuracy. In the literature, “research on quantitative judgement has shown that individuals often improve their decision making by integrating outside input into their judgments.” Therefore, effective collaboration is based on the acceptance of outside advice: but, are people always willing to listen?