In Their Study on the Term "Retard", Siperstein, Pociask and Collins

In their study on the term "retard", Siperstein, Pociask and Collins (2010) found

A) 10 percent of study participants had heard a person call someone a "retard".
B) None of the study participants had ever heard a person call someone with intellectual disabilities a "retard".
C) 20 percent of the participants reported they had used to term to refer to a person with intellectual disabilities.
D) Males were more likely to oppose the term than females.