Brooke is a Ph.D. candidate in the field of nanophysics. She is aware that only 4 percent of physics professionals are women. Many assume this is due to women having an inability to comprehend complex mathematics. Knowing this, Brooke actually scores below her male counterparts on exams, thus affirming the idea that women have difficulty with physics. Brooke is experiencing: a. the stereotype promise. c. the stereotype threat d. a self-fulfilling prophecy. b. tertiary deviance