Which of the following is a scientific basis for mass hysteria?

Both identity __________ and __________ are psychologically healthy routes to mature self-definition

A) moratorium; foreclosure B) achievement; diffusion C) moratorium; achievement D) foreclosure; diffusion

The defining feature(s) of addiction is:

a. Whether or not the opiate system is involved b. The severity of the withdrawal symptoms c. Being preoccupied with a drug, compulsive use and high likelihood of relapse d. Whether or not the drug has a reinforcing effect