09/09/2014 · and the researchers found that shared pain not only increases a sense of solidarity, it can also boost actual group cooperation. And today, we spoke to … They made the mistake of expecting their shared trauma to translate into compatibility, assuming that. In an experiment with another set of students, each group played a game that involved choosing numbers between 1 and 7 — if everyone in the group chose 7, they would get the highest payoff. I am going to give some further background below that i would really really appreciate you to read and respond to, but if too long, feel free to answer the header question/tl;dr, would still be very helpful to me!