A 2016 study conducted at the University of Pennsylvania found that roughly __________ of Americans could name the three branches of government.

After a 10-year moratorium in the late 1960s and early 1970s, the U.S. Supreme Court ruled that the __________ does not inherently violate the Eighth Amendment

Answer:

Which hypothesis is directly tested in an experiment?

A) one specific confounding variable hypothesis B) all of the confounding variables hypotheses C) the research hypothesis D) Both B and C