Feeling underqualified can help drive performance or toxic behavior—depending on one psychological factor‎

We've all been there: staring at a job description or a daunting new project and feeling a cold prickle of dread. You have the degree, maybe even the title, but looking at the task ahead, you feel like a total fraud. You're "underqualified"—and it feels like only a matter of time before everyone else figures it out.