“It always struck Julia as odd that those two teams felt so different. Her study group felt stressful because everyone was always jousting for leadership and critiquing each other’s ideas. Her case competition team felt exciting because everyone was so supportive and enthusiastic. Both groups, however, were composed of basically the same kinds of people. They were all bright, and everyone was friendly outside of the team settings. There was no reason why the dynamic inside Julia’s study group needed to become so competitive, while the culture of the case team was so easygoing.”