In the text, the discussion of media depictions of powder cocaine use in the early 20th century and crack cocaine use in the 1980s was used to illustrate that
A. the U.S. media and drug policies may target people of color disproportionately.
B. the media should be used to publicize the extent of the drug problem.
C. U.S. drug policies have greatly reduced drug use.
D. powder cocaine and crack cocaine are distinctly different drugs.
A
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According to research done on sleep restriction, if one misses an entire night's sleep, it is best to
a. sleep late the next morning. b. nap during the day for more than an hour. c. restrict sleep to normal bedtime hours. d. go to bed early the following night.
Car manufacturers try to encourage drivers to buckle their seat belts through the use of reinforcement. As you know, if you start your car without buckling up, you will hear an annoying sound. If you learn to buckle up after hearing the sound, you show ____. If you acquire the response of buckling up before you turn on the ignition, you show ____
a. avoidance learning; escape learning b. escape learning; avoidance learning c. punishment; escape learning d. punishment; avoidance learning