Question: are two heads really better than one?

Blockbusters, the classic gameshow that pits two players against one, is returning for a second series. So in quizzes – and indeed life – do you get the best results working in a team or flying solo? Abi Smith unpicks the scienceHow good are you at quizzes? Go on, you can be honest. You think you’re pretty good, right? Well, you might have a superior intellect – but then again, you might just be overconfident. “This is known as the Dunning-Kruger effect, which state