The major difference between the control groups of the pretest-posttest, natural control group design and the randomized, posttest-only, control-group design is that
A) in the latter, participants are randomly assigned to groups.
B) in the former, the people in the control group are aware of the research hypothesis.
C) in the latter, participants are only assigned randomly to the experimental group, but not the control group.
D) there is no real difference between the two designs.
Answer: A
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According to the text, all of the following were created by the Environmental Protection Act of 1970 EXCEPT:
A. the Environmental Protection Agency. B. Environmental Impact Statements. C. the Council on Environmental Quality. D. the Environmental Defense Fund.
Which statement explains why the publication of the Pentagon Papers in the New York Times was significant for the relationship between media and the government?
a. It led to an immediate reversal in defense policy. b. It was the first instance of the media openly challenging government policy. c. It created a more adversarial relationship between reporters and public officials. d. It showed the government's disregard for content published in the mainstream media.