Consider the following proposed relationships between anindependent and a dependent variable. In each case, would it berealistic for a researcher to perform an experiment to test thetheory? If yes, briefly describe what would be randomly assigned inthe experiment; if no, briefly explain why not.
(a)?An individual’s level of religiosity (X) and his or herpreferences for different political candidates (Y).
(b)?Exposure to negative political news (X) and politicalapathy (Y). ?
(c)?Military service (X) and attitudes toward foreign policy(Y).
(d)?A speaker’s personal characteristics (X) andpersuasiveness (Y).