When a researcher tests his or her hypothesis, he or she is often hoping to gather information that is consistent with a particular theory. what, more specifically, allows a researcher to say that he or she has "proven" a theory?

How does the principle of federalism affect the u.s. government? a. it guarantees that the united states will always be a representative democracy b. it ensures that the state governments have greater authority that the federal government c. it creates both separate and overlapping powers for the federal and state governments d.it divides the federal and state governments into three branches