Betty has tried to stop using a particular drug permanently, but her attempts have been unsuccessful. When she stops using, she experiences irritability and difficulty concentrating. Even though she has emphysema, a serious physical disorder, she continues to use it. Surprisingly, it is a legal drug. To which drug is Betty probably addicted?
a. caffeine c. marijuana
b. alcohol d. nicotine
D
You might also like to view...
No two acts of walking or crawling are the same, and motor skills are adapted in the moment to a variety of factors in the environment, such as steepness of a slope or smoothness of the floor. This is called __________.
A. dynamic reorganization B. maturation C. self-organization D. soft assembly
Social support networks
a. have drawbacks if there is insincerity or dependency. b. are the best way to cope with stress. c. make people feel better, but only when they are under great stress. d. cannot decrease the chance of posttraumatic stress disorder.
A balanced Latin square design ensures that each testing condition is followed and preceded equally often by every other condition
Indicate whether the statement is true or false
______ hypothesis that an effect or relationship does not exist (or exists in the opposite direction of the alternative hypothesis) in the population.
A. Null B. Void C. Alternative D. Pseudo