Selection of participants is not a threat to internal validity

Which is an argument for the use of public opinion polling to set public policy?

a. Americans tend to support government policies that make their economic positions worse. b. Most Americans do not know what goes on in the world. - c. In a democracy, the people must have their voice heard by those in government. d. Repeated surveys of the same Americans have found that their responses to policy questions seem to change randomly.

Bureaucrats in the foreign policy decision-making process pursue __________.

A. groupthink B. democratization C. national goals D. political domination