Christine, the CEO of NSP Consultancy, promised all job applicants that she would be fair and unbiased when she considers them for the position of an accountant at her firm. However, she confessed to her colleagues that she would prefer to hire an Asian because "they're so good at math." She also said that she would most likely not hire an African American because "she'd never met one who worked hard." In this scenario, Christine's behavior is an example of _____.