Review Questions 1. Besides asking a person the question directly, what is one way a psychologist can try to deter-mine why a person is taking a drug? 2. What two characteristics of a drug’s effect might change when the dose is increased? 3. In about what year did drug use in the United States peak? 4. About what percentage of college students use marijuana? 5. What do the results of the National Survey on Drug Use and Health tell us about the overall rates of marijuana and cocaine use among whites compared to African Americans and Hispanics in the United States?
Chapter 1 Drug Use: An Overview 21
6. How does having a college degree influence rates of drinking alcohol? Using tobacco? 7. Name one risk factor and one protective factor related to the family/parents. 8. How does impulsivity relate to rates of drug use in the general population? How does im-pulsivity relate to substance dependence?
