Which statement is TRUE about nicotine and smoking?
a. ?Nicotine is far less addictive than it was once thought to be.
b. ?Nicotine elevates levels of dopamine, producing pleasure.
c. ?Most adult smokers started smoking after the age of 21.
d. ?Even in low doses, nicotine impairs attention and memory.
ANSWER:
b
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The concept of motivation may be defined as
a. voluntary compliance to another's request b. rewarding and punishing behavior so as to change it c. energizing and directing our efforts toward a meaningful goal d. controlling behavior through reinforcements but not punishments
If a correlation between depressive symptoms and active treatment is clinically significant this means
a) the effect is large enough to provide reliability information. b) the effect is large enough to provide meaningful information in predicting or treating depression. c) it is not statistically significant. d) that causation can be implied.