A new study reveals why some people are better at achieving their goals than others, and the reasons why may surprise you.
Your odds of achieving almost any goal depend not just on how motivated you are, but also the source of that motivation. There are two types of motivation: internal and external. Internal motivation drives people to achieve a goal for its own sake, whereas external motivation is not directly related to the goal itself.
The study reveals that “intrinsic motivation is powerful, but it is also fragile. Even when West Point cadets found their work interesting and meaningful, if they were also strongly motivated by extrinsic rewards.”
Not to worry if you’re an ambitious self-starter, though. The study goes on to say that the most successful people seem to have a healthy balance of both external and internal motivation.[More.](http://news.sciencemag.org/brain-behavior/2014/07/one-type-motivation-may-be-key-success)