A lot of research into human reasoning is focused on what a person does when they're in isolation. But the latest research suggests that when you test people in isolation, you get different results than if you test them in groups where they can discuss, argue, communicate and deliberate among each other. When it comes to the cognitive reflection test, reasoning alone, 83 % of people who have taken this test under laboratory conditions, answer at least one of the problems incorrectly. In groups of three or more, usually the entire group will change their minds from the wrong answer to the right answer. People who perform the waston selection task in groups will go from mostly wrong as a group to mostly correct through that