Final answer:
The passage supports the idea that actors should represent people as they really are by emphasizing the importance of psychologically realistic approaches, internal realities of the actor, and vulnerability and emotional expression.
Step-by-step explanation:
The passage supports the idea that actors should try to represent people as they really are through several details. First, it mentions that actors who invest in a psychologically realistic approach build their performance based on belief in the immediate reality of the situation. This means that actors aim to create a truthful and uncalculated portrayal of the character's reactions and emotional responses. Second, the passage emphasizes the importance of developing a performance from the internal realities of the actor, with the emotional investment and thoughts of the character expressed by the actor. Finally, it highlights the value of vulnerability and emotional expression in acting, as they allow for authentic and relatable performances.