The imaginary audience includes not only an adolescent's personal ...

[oliviahorn72]

The imaginary audience includes not only an adolescent's personal experiences but also
 
  some aspect of their invincibility fable.
  their perceptions about their own egocentrism.
  their own sense of how their actions affect others.
  their perceived experiences of other people's imaginary audiences.

Question 2

Some developmentalists believe that adolescent egocentrism
 
  is a selfish, immature attitude.
  may signal growth toward cognitive maturity.
  is not supported by recent research.
  is more common in boys than in girls.

[31809pancho]

Answer to Question 1

their perceived experiences of other people's imaginary audiences.

Answer to Question 2

may signal growth toward cognitive maturity.