Discovered: When it’s better to be on a team

Next time you need to make a tough choice, rely on your instincts rather than polling others. When scientists at the University of Essex in England asked people to answer a question with little data to go on, those who worked in groups made 50 percent more mistakes than people who worked alone. The investigators explain that conflicting ideas and interpretations caused people to doubt their gut, leading to secondguessing, overthinking and greater inaccuracies.