“Wow, this is a tough course.” That’s what’s known as external attribution, and it’s usually a healthy sign of resilience. The women in the course tend to respond differently. When the course gets hard for them, their reaction is, “You see, I knew I wasn’t good enough.” That’s internal attribution, and with failure, it can be debilitating. The story becomes one about their intelligence, not about the course itself, or even how hard they worked, says Dunning.

