Federalism has no effect on party politics in the United States

Which type of survey question is best formulated to address concerns about errors in public opinion polling resulting from difficulty in measuring intensity?

a. yes-or-no questions b. approve-or-disapprove questions c. scale questions d. close-ended questions

With respect to ideology, most Americans tend to locate themselves

a. on the far right. b. in the middle. c. near the far left of center. d. on the far left. e. on the extreme fringes.