We don't really know, but the striking thing about this experiment is that it showed what we know, which is some groups do better than others, but what's key to that is their social connectedness to each other.
这个问题我们无从知晓， 然而重要的是 这个实验证实了我们的理论： 那些团队表现优异的关键 在于每个人和队友的关系。