What term is used to describe a child's inability to see the world through anyone else's eyes except his or her own?

Kevin just reached orgasm and finds he is unable to get an erection again. Although this greatly concerns him, it is actually a normal phenomenon known as

a) a plateau. b) dyspareunia. c) vasocongestion. d) the refractory period.

Phonological disorder, stuttering, and expressive language disorder are all types of

A) mental retardation. B) autism. C) communication disorders. D) learning disorders.