Answer:
The fundamental attribution error
Step-by-step explanation:
When a person believes that the cause of behavior of another person is the due to the internal factors of the other person. The external factors are not taken into account. This phenomenon is known as the fundamental attribution error.
Here, Alexis thinks that Olivia portrayal of a villain was good due to fact that she was inherently evil. Alexis did not take into account Olivia's training, practice she had done for her performance which are external factors.