Roland is hungry, so he goes to McFood Place. But when he gets in line, he realizes he doesn’t have any money. He sees a woman set her French fries down on a table, then walk away. Roland quickly grabs the fries and left. According to Freud, Roland's actions are driven by his ____, which operates on the ____ principle

Patients with Parkinson's disease are given a drug that stimulates brain cells to produce

a. ACh. b. glutamate. c. serotonin. d. norepinephrine. e. dopamine.

A major difference between authoritative and authoritarian parents is that authoritative

parents a. never use punishment. b. establish firm rules. c. impose few rules. d. explain the rules to their children. e. show less influence over their children.