"In a survey of high school students, 56% of the girls and 76% of the boys believed forced sex was acceptable under some circumstances. A survey of 11-to-14 year-olds found that 51% of the boys and 41% of the girls said forced sex was acceptable if the boy, "spent a lot of money" on the girl; 31% of the boys and 32% of the girls said it was acceptable for a man to rape a woman with past sexual experience; 87% of boys and 79% of girls said sexual assault was acceptable if the man and the woman were married; 65% of the boys and 47% of the girls said it was acceptable for a boy to rape a girl if they had been dating for more than six months."
This is from an internet conference from Harvard Law School that was held back in 2002. I cannot track down the study itself.
Even tho it is 12 years old, it still surprised me. It is a mindset that I expected back in my generation of the 60's and 70's.
Interesting reading tho. Access course here.