As a psychology major I learned that the most important work in psychology was research on how learning actually happens. The basic model is simple—you learn from experience. You have some kind of goal, you try something and then you get feedback on whether or not you are closer to your goal. If you are, you try that again. If you are not, you try something different. What you decide to try is determined either by so called “trial and error” or some kind of imitation of a role