Placebo effects (e.g., for clinical depression) tend to
a) Have small effects on psychological problems
b) Be a little better than no treatment but for many people
c) Produce powerful and dramatic effects
d) Be very transient which is why active drugs work better
Correct Answer: c
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In 2003, a Substance Abuse and Mental Health Administration epidemiological survey found that among ethnic and racial groups, _________ reported the highest use of cocaine use
A) American Indian/Alaskan Natives B) Hispanics C) Non-Hispanic Whites D) Whites
Which statement concerning ethnicity and intelligence is most accurate?
a. The recent discovery of a "smart gene" has led most to believe that intelligence has a strong genetic component. b. Even if ethnic groups differ significantly in intelligence, the difference could be the result of environmental factors c. Being economically disadvantaged is related to ethnicity but not to intelligence. d. If intelligence differences within an ethnic group are due to genetics, then intelligence differences between the group and other ethnic groups must be due to genetics.