Rhys submits a major report to his boss ahead of the deadline. his boss assumes that rhys is conscientious rather than that he simply had more time than usual to devote to the assignment. this example illustrates the:

This example illustrates the fundamental attribution error. It is a tendency of a person that explain a certain behavior of someone based on that person's personality. This is to underestimate the effect of external factors like events that happened which lead to that person's behavior at that moment.