Adrienne Is a Scientist Who Is Blind

Adrienne is a scientist who is blind.Which of the following is one form of discrimination that Adrienne is likely to encounter in the workplace?

A) colleagues raising their voices when they talk to her
B) colleagues expressing their lowered expectations of her,by asking her to simply listen at department meetings,for example
C) colleagues telling her she cannot serve as the head of the department
D) colleagues having higher expectations of her to prove she is just as capable as everyone else