The neurotransmitter(s) linked to pleasure and alleviation of pain is (are)
a. norepinephrine. c. serotonin.
b. endorphins. d. acetylcholine.
B
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A researcher interested in resolving the issue of whether emotional states play a causal role in cancer must answer which of the following questions? a. Is Type A personality a consistent trait?
b. Are people at risk for cancer also at risk for coronary heart disease? c. Does knowledge that one has cancer cause changes in emotional states, or vice versa? d. Do we have enough retrospective data to make an unambiguous conclusion?
A researcher wants to study the effects of texting on driving. Students in Group A drive a car in a computer game and see how many virtual accidents they have. Students in Group B are asked to drive the same virtual car but they must respond to
and send at least three texts. The number of virtual accidents is measured for each group. What is the independent variable? a. the virtual car b. texting c. the number of virtual accidents d. the group assignment
Which sexually transmitted infection is most commonly diagnosed?
A. syphilis B. HPV C. herpes D. HIV
When people see Brenda's red hair, they assume she is highÂstrung, temperamental, and of Irish descent. This oversimplified view of Brenda is an example of a
a. dogmatic image. b. social stereotype. c. symbolic prejudice. d. justified image.