A factorial experiment is one in which the independent variable has many levels

How do the hippocampus and amygdala of those with borderline personality disorder compare to those who do not have the diagnosis?

a. They are smaller. b. They are comparable in size. c. They are absent in the brain of someone with borderline personality disorder. d. They are larger by about half.

Luther was born yesterday and spends part of his time in the hospital nursery. Every time another baby starts to cry, he cries also. His echoing the emotional state of other people is known as

A) positive emotion bias B) gender identity C) cry contagion D) self-regulation