NATO was the first and most important of a series of post-World War II collective security pacts signed by the United States

A key component of the Virginia Plan was

a. equal legislative representation for all states. b. that essential powers would be kept within the states. c. a strong national legislature. d. an executive who would have absolute veto power over legislative actions. e. strong states' rights.

The problem of response set can be addressed by

a. eliminating center choices such as "undecided." b. by interspersing open-ended questions within closed-ended. c. including reverse-scored items. d. all of the above