Why are ex post facto studies weak?

A) Too few participants are used.
B) They require so long to run that responses are no longer representative.
C) Independent variables cannot be manipulated.
D) Response variables cannot be measured.

Answer: C

Political Science

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According to the text, which advanced democracy spends the highest percentage of GDP on health care?

a. France b. Canada c. United States d. Japan

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Committee staffs within Congress

A. are devoted to logistical functions and committee public relations. B. concentrate on public relations. C. split their time between legislative functions and public relations. D. perform an almost entirely legislative function. E. concentrate on constituency relations.

Political Science