When powerful individuals "put themselves at the vanguard of social change . . . it not only fails to make things better, but also serves to keep things as they are." This statement is consistent with __________.

Reversal or ABA designs can be

A) used to test the effectiveness of neurosurgery for the treatment of epilepsy. B) used to test the effectiveness of interventions to increase the strength of positive behaviors. C) used to test the effectiveness of an anti-smoking campaign on a specific school. D) All of the above

Which statement about the powers of Congress as granted by the U.S. Constitution is most accurate?

A) The founders envisioned Congress as having a leading role in the new government because they were elected by the people. B) Congress is a unitary body because the House of Representatives and the Senate convene under one roof. C) The Connecticut Compromise resulted in Congress becoming a parliamentary body. D) The principal function of Congress is the carrying out of laws that have been created by the executive branch. E) The enumerated powers of Congress as they apply to the United States are found in Article I, Section 2 of the Constitution.