Which One of the Following Provides an Observable and Measurable

Multiple Choice

Which one of the following provides an observable and measurable behavior for the theoretical construct of success as an actor?

A) When the actor feels an emotion, the audience feels the same emotion in the same strength and depth.
B) when the actor believes she has the underlying talent and the ability to express that talent
C) when the actor experiences high levels of stage fright
D) when the actor brings in revenue at the box office under all conditions