Campbell and Horowitz (2016) controlled for various factors (such as race) in order to test the relationship between having a college degree and political attitudes. Imagine that the researchers had not controlled for race or included it as a variable in the study. What role might race then play that would alter the researchers’ tentative explanation of the relationship between college and political attitudes?
a. intervening
b. specification
c. correlational
d. extraneous
e. all of these
