According to a survey conducted in 2015, American adolescents were shown to experiment with other substances such as amphetamines, inhalants, hallucinogens, and cocaine. What percentage of American adolescents tried Ecstasy?

In addition to suffering from panic attacks, people with panic disorders often develop an intense fear of:

a. having a panic attack when they are alone. b. public places. c. germs. d. leaving the stove on.

Physical aggression reaches a peak at ______________ years of age

a. 1 - 2 b. 2 - 4 c. 4 - 6 d. 6 - 8