In nonexperimental research designs, which technique is usually used to establish nonspuriousness?

Whichof the following illustrates a concern of presidents in regard togovernment relying too heavily on monetary policy?

A)high levels of unemployment B)increased inflation levels C)reduced business consumption D) lowered consumer spending

One tool that many states have used to challenge federal authority has been measures passed by state legislatures affirming their rights under the 10th Amendment, known as ______.

a. state sovereignty resolutions b. nullification bills c. articles of secession d. petitions of authority