Desrumaux and Colleagues Conducted a Study to Determine How Evaluating

Desrumaux and colleagues conducted a study to determine how evaluating a job applicant varies by the applicant's gender and physical appearance.The first independent variable was the applicant's gender and the second independent variable was physical appearance.When the researchers look for a main effect of A, which independent variable will be examined?

A) gender
B) physical appearance
C) A and B
D) None of the above