Answer:
Fundamental Attribition Error
Explanation:
The fundamental attribution error is the tendency people have to overemphasize personal characteristics and ignore situational factors in judging others' behavior.It is also refferd to as attribution effect or correspondence bias , is the propensity for people to under-emphasize situational explanations for an individual's observed behavior while over-emphasizing dispositional and personality-based explanations for their behavior. Obviously, Ethans perception of Brett is that of fundamental attribution error because, Ethan is trying to explain Bretts behaviour based on Bretts personality underestimating the effect of external factors like traffic jam that made Brett miss an important meeting with his potential client.
I believe the answer is: how well an employee is actually doing
Unlike in education environment, workplaces do not adopt GPA system do measure how well an employee perform, since there are a lot of factors that could determine employees'performance, depending on the position that they're in. Because of this, it is hard to develop a comparison method that could objectively measure employees' worth.