By virtually everyone’s judgment, __________ is deemed to have been the most powerful vice president in U.S. history

Time-series designs are variations of

A) naturalistic designs. B) within-subjects designs. C) between-subjects designs. D) management designs.

Voter turnout in national elections

A. is consistently high, reflecting a legal requirement to vote. B. is consistently high, reflecting high levels of public interest. C. has declined on a nationwide basis. D. seems to make little difference to what party wins the election.