You see a sign soliciting research participants for a study involving a CT scan. When you call the researcher to inquire about the research, she tells you that a CT scan involves
a) multiple X-ray images of the brain.
b) recording the brain's electrical activity.
c) monitoring the metabolic activity of the brain.
d) directing radio waves at the brain to cause hydrogen atoms to emit signals.
ANS: a
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Drugs that increase the activity of a neurotransmitter are called a. agonists
b. antagonists. c. enhancers. d. inverse agonists.
The ________ technique involves making sure that different members of a group all have information that is needed by the entire group in order to achieve a goal, and that the goal cannot be achieved unless all members contribute.
A. social cooperation B. matching C. equal status D. jigsaw
In terms of sleep, infants:
a. have less REM-sleep than adults. b. have more REM-sleep than adults. c. sleep less than adults. d. sleep about the same amount of time as adults.
The primary advantage of the naturalistic observation method of research is that it ______
a. allows for better control of the experimental situation than other research methods b. allows for gathering information more easily, quickly, and cheaply than other research methods c. virtually eliminates the problem of observer bias d. usually allows for behavior that is more natural, varied, and spontaneous than in a laboratory