Failure to rule out an effect that might be due to events that occur during a study introduces
A) additional dependent variables.
B) a type of researcher bias.
C) the confounding effect of history.
D) a threat to statistical validity.
Answer: C
Political Science
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Veto overrides:
A. never occur. B. almost always occur. C. rarely occur. D. occur approximately half the time.
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__________ are organizations that seek to influence public policy
a. Constituencies b. Agenda builders c. Interest groups d. Government watchdogs
Political Science