What percentage of people in the U.S., age 12 and older, have tried MDMA at least once?
a. ?2%
b. ?4%
c. ?6%
d. ?8%
ANSWER:
c
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Jordan typically has at least three cups of coffee throughout the day. She decides to cut her coffee habit “cold turkey,” but experiences severe lethargy despite having a good night’s sleep. Jordan is experiencing ____
a. ?the desensitization effect b. ?withdrawal symptoms c. ?recoil narcosis d. ?sensitization syndrome
If the calculated value of chi-square is greater than the critical value, the researcher should _____
a. reject the null hypothesis and conclude that the variables are independent b. reject the null hypothesis and conclude that the variables are related c. fail to reject the null hypothesis and conclude that the variables are independent d. fail to reject the null hypothesis and conclude that the variables are related
Knowledge accumulated through research and systematic empirical observations is called ______.
A. popular B. scientific C. essential D. tested
Which of the following is NOT one of the patterns of drug abuse listed in your textbook?
a. social-recreational b. experimental c. regressive d. compulsive