Much of our information about rates of drug use come from survey questionnaires. One important limitation of such questionnaires is
A. the sample sizes are too small.
B. people might not answer honestly.
C. the people who do the studies are biased.
D. they don't ask questions about illicit drugs.
B
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In an experiment, the __________ is what researchers expect to change as a result of manipulation.
A. replication group B. independent variable C. control group D. dependent variable
Your friend believes that Type A personalities are more likely to suffer heart attacks. You can tell him that ____
a. ?what you learned in your psychology class supports that belief b. ?more recent research shows that it is actually Type B personalities who are more likely to suffer heart attacks c. ?having a hostile or angry attitude seems to be more associated with heart attacks than being competitive and aggressive d. ?more recent research shows that being easygoing is the most important contributor to heart attacks because this characteristic leaves the body unprepared for physical stress
Relentlessly pursuing someone, shadowing him or her, or making threatening gestures or claims toward the person when the relationship is unwanted, is known as ____
a. jealousy c. mania b. stalking d. agape
Nerves in your brain and spinal cord are part of the
A. central nervous system. B. peripheral nervous system. C. autonomic nervous system. D. sympathetic nervous system.