American support for government run healthcare programs has decreased over time

Extraneous variables have their effects

A) only on individuals. B) on whole groups. C) randomly among individuals. D) on experimenters.

In United States v. Comstock (2010) the Supreme Court upheld congressional legislation that permits a federal district court to order the continued confinement of sexually violent offenders who have completed their prison sentences as a valid exercise of Congress's _____ powers under the Necessary and Proper Clause

a. enumerated b. implied c. concurrent d. None of the above is true.