In a(n) __________ system, political parties secure legislative seats and power according to the number of votes they receive in the election

When two independent variables in a study produce effects that would not be apparent if each independent variable was manipulated in a separate study, we say that there is

a. no main effect. b. only a measured variable. c. an interaction. d. a planned comparison.

Using Ernest Renan’s concept of a nation, explain why the following sentence is false: “The United States is not a nation.”

What will be an ideal response?