You want to test people's cola preferences. So, you conduct a taste test using two different brands of cola. However, you are worried about possible clues you may give people taking the test. So, you label the two colas and have your assistant, who does not know which cola is which, to administer the test to the subjects. Thus, you have prevented yourself and your assistant from giving out any
clues by using
a. random selection.
b. random assignment.
c. a single-blind experiment.
d. a double-blind experiment.
D
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In everyday life, people usually think of a behavior as having ____, whereas psychology views behavior as having ____
a. a subjective cause; an objective cause b. an objective cause; a subjective cause c. multiple causes; a single cause d. a single cause; multiple causes
Which part of the brain seems to be very important in producing the novelty preferences that infants demonstrate in recognition memory tasks?
a. The hippocampus c. The visual cortex b. The reticular activating system d. The frontal lobes
How does the body typically react shortly after being infected with HIV?
a) flu-like symptoms occur b) a full body rash develops c) cholesterol levels increase d) calcium is deposited into soft tissue
If the researcher uses these data to predict GPA, then the scatter plot's
abscissa would represent a. TV viewing time b. GPA c. the correlation d. frequency of occurrence