A Researcher Is Trying to See If Priming People with the Idea

A researcher is trying to see if priming people with the idea of attractiveness can elicit a contrast effect. In order to test this idea, how might they best operationalize attractiveness?

A) priming people with an image of a specific attractive person
B) priming people with words related to attractiveness
C) administering the attractiveness prime subtly and outside of consciousness
D) administering the attractiveness prime to people who are motivated to feel attractive