Paul volunteers for a study on attitudes about dating. When he arrives at the laboratory, he notices a book on the researcher's desk called Nonverbal Communication in Dating Couples
Paul concludes that the study is about nonverbal communication, and in his answers to questions he tries to be helpful by emphasizing his skills in this area. The way Paul responded to the questions is an example of a threat to validity called
a) reactivity.
b) expectancy effects.
c) demand characteristics.
d) nonrandom assignment.
b
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Which addiction treatment approach works to help the addict "unlearn" associations between craving and cues related to drug use?
A. drugs that enhance activity at glutamate receptors B. agonist drugs like methadone C. antagonist drugs like naltrexone D. antidrug vaccines
When we can generalize from the sample used in a study to the population of interest we say that the study has _____ validity
a. internal b. external c. construct d. content
In their relations with the medical community, African Americans have been reported to
a. display distrust b. follow the guidance of physicians implicitly c. have relatively high organ donor rates d. prefer not to care for dying persons at home e. have good prenatal care leading to relatively low infant death rates
The usefulness of information about upcoming stressors is of greatest benefit to
a. internals. c. terminally ill patients. b. externals. d. students.