Some researchers argue that the desired level of control is difficult to achieve and suggest:
A. that inferential statistics may provide a solution in such cases.
B. giving up on doing the experiment.
C. using a baseline rather than a discrete trials design in such cases.
D. None of the answers is correct.
Answer: A
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Which of these hypotheses in evolutionary psychology is most controversial?
a. Kittiwake chicks have evolved a tendency to remain motionless until old enough to fly. b. We get goose bumps when we are cold because the response helped our ancestors. c. Human infants' grasp reflex is an evolutionary carryover from monkeylike ancestors. d. Men seek multiple sex partners because doing so can spread their genes.
A sound that we recognize as having an identity that is distinct from other sounds is a(n) ______.
A. localized sensation B. transient signal C. auditory object D. separate stimulus
One factor that both researchers and IRBs must assess is:
A. the risk-benefit ratio of doing research. B. whether it is possible to carryout a proposed research in the suggested time. C. whether researchers have the expertise to carryout a proposed research. D. whether a proposed research is too expensive to conduct.
Individuals are legally considered impaired when their blood alcohol concentration reaches ______.
A. 0.05% B. 0.08% C. 0.10% D. 0.40%