Marge is a 17-year-old high school senior. Like most young women her age, she probably got most of her knowledge about human sexuality from her mother

Phillip Zimbardo investigated social roles when he had students __________

a) give fake electric shocks to "learners." b) asked accomplices to deliberately lie about the length of a line to a subject. c) play a boring game and then say it was an interesting task. d) take on the roles of prison guards and prison inmates.

Attention-deficit/hyperactivity disorder has been linked to irregularities in the way which of the following neurotransmitters operates in the brain?

a. dopamine b. serotonin c. acetylcholine d. GABA