Self-determination theory offered a new model of what a human being is. Behaviorists said motivation comes from outside, while SDT argued that the deepest motivation is intrinsic.

Ever had a day when you felt unstoppable-crossing tasks off your to-do list, crushing a workout, and tackling challenges head-on? And then the very next day, you couldn’t even bring yourself to get ...

Motivation starts and ends with a decision, not a feeling. Ah, feeling motivated. It seems to come, and it goes. It ebbs and flows. I’m a firm believer in the idea that motivation is not something ...