It is fairly well documented that groups of people can show cognitive abilities that exceed that of any individual member. The classic example of this is if you

It is fairly well documented that groups of people can show cognitive abilities that exceed that of any individual member. The classic example of this is if you ask a group of people to estimate the number of jellybeans in a jar, you can get a more accurate result than if you test to find the person with the highest accuracy and use their guess. This isn't to say groups always outperform their members on all tasks, just that it isn't unusual to see a result like that.