there are additional forces that could make a difference in performance. These include the characteristics of the task (how easy or difficult it is), the characteristics of the individual (how easily they become stressed), and characteristics related to the individual’s experience with the task (how much practice a person has had with this task and how much effort they need to put into it). Either way, we know two things: it’s difficult to create the optimal incentive structure for people, and higher incentives don’t always lead to the highest performance.
