There’s a reason the words “believe in yourself” are plastered on classroom signs and cross-stitched on throw pillows. Your sense of self-efficacy, or the belief that you can accomplish what you set ...

Almost a century ago, a plucky little blue engine first I-think-I-canned her way up a mountain in an iconic display of self-efficacy's power. But the term self-efficacy wouldn’t come along for another ...