An example of an inferential statistic is the following statement:
A. In 2011, 22.5 million Americans said that they used one or more illicit drugs during the prior month
B. Smokers are more likely to die at 65 than non-smokers are to die at 75
C. The violent crime victimization rate in the U.S. in 2011 declined during the past decade by 30 percent
D. 20-year-olds are 30 times more likely to have taken an illicit substance in the prior month than persons 65 or older
E. none of the above
E. none of the above
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In pioneering research with the sea slug Aplysia, Kandel and colleagues demonstrated that, when lightly touched, Aplysia would withdraw its gill. With repeated touches, however, the gill withdrawal lessens, demonstrating:
A) classical conditioning. B) habituation. C) operant conditioning. D) sensitization.
In order for a study to be considered experimental, the researcher must manipulate a variable
Indicate whether the statement is true or false
Electrical stimulation of the brain is technically called ______.
A. transcranial direct current stimulation B. cortical stimulation C. transcranial magnetic stimulation D. peripheral nerve and field stimulation
According to the APA ethical principles, when psychologists conduct research with clients/patients, students, or subordinates as participants, they should take steps to:
A. conceal the true nature of the research from the participants. B. prevent the participants from being able to withdraw from the research. C. make the participants an offer they can't refuse. D. protect the prospective participants from adverse consequences of declining or withdrawing from participation.