Carolina tries to behave well so that she can avoid being punished for anything. She is also polite and friendly so that everyone will like her. Carolina is most likely at which level of moral reasoning?

Using MRI techniques, researchers have observed that, when they are exposed to pictures of strangers, shy people exhibit

a. less activity in the amygdale than those who are bold. b. greater activity in the hippocampus than those who are bold. c. greater activity in the amygdale than those who are bold. d. less activity in the hippocampus than those who are bold.

Drugs that block the reuptake of serotonin have been shown to be effective at treating:

A) Parkinson's disease. B) schizophrenia. C) depression. D) phobias.