Louise was conducting a study to test her hypothesis that women smile more often than her male participants. Her hypothesis will probably be confirmed due to
a. Social desirability
c. Experimentor expectancies
I think that the answer is c. Am I on the right track?
Yes you are on the right track, especially if it is Louise who is the experimentor. Her expectation that women will smile more often will lead her to either smile herself when testing the women ...